LA 333 •N4A5 R^. MONOGRAPH No. 6 Syllabus on Health PUBLIC SCHOOLS OF NEWARK, N. J. MnnosrrapVi Syllabus on Health for the Public Schools of Newark, New Jersey Grades 1 -6 ,» BOARD OF EDUCATION NEWARK, NEW JERSEY Adopted October 28, 1920 LIBRARY OF CONGRESS MAY 231921 DOCUMENT^. L..V.JION ^-^^ Contents e . Be gentle with all and especially to younger and weaker playmates. Unkind words cause unhappiness and ill-feeling. A girl should never shirk her duty. An efficient girl is popular at home and in company. SYLLABUS ON HKALTH 3^ A girl should never boast. Modest girls will be the last to praise themselves. . A girl should never quarrel. It is a sign of coarseness and lU- breeding to enter into a common quarrel. A real girl will never forget to be neat in dress, gentle in manner, sunny in heart, and unselfish in conduct. A girl should always graciously acknowledge any courtesy extend- ed to her by man, woman, or child. Thirteen Rules of Conduct at the Table 1. Do not eat fast. 2. Do not make noise while eating soup. 3. Do not fill the mouth too full. 4. Do not smack the lips. 5. Do not open the mouth while chewing. 6 Wipe the mouth with a napkin. 7. Do not pick the teeth or put the fingers in the mouth at the table. 8. Carry food to the mouth with fork or spoon. 9. Do not let the spoon remain in the cup ; lay it on the saucer after stirring. Do not laugh or talk with the mouth filled with food. Do not lean on the table with elbows, arms, or body; sit erect, iz. Do not make gestures or point with knife, fork, or spoon. 13. Do not leave the table until all arise, unless you ask for per- mission to do so from mother, or, if visiting, from your hostess. Hygiene of Bathing The skin is a sort of breathing apparatus. As you have learned, if the entire body of a person, or dog, is covered with paint, or any substance that the air cannot penetrate, it will kill him just as surely as shutting off his breathing, because the skin cannot perform its function of breathing. Another reason why death results from closing up the pores of the skin is that the heat which is produced in the body cannot escape by the natural outlet provided by the pores of the skin. The temperature rises, causing fever and finally death. The natural process of cooling the body is made possible because of the sweat glands in the skin. These glands secrete water which evaporates and cools the blood while it passes through tinv little vessels near the surface of the skin. 10 II 12 3^ SYLLABUS OX HEALTH Then, too, waste products, poisons, and ill-smelling odors are given out through the thousands of tiny glands in the skin. Now you see why keeping the skin clean is necessary. If the pores become clogged up with dirt, or the sweat is allowed to dry on the body, the skin cannot possibly do its work. If the perspiration is absorbed by the clothing it will soon begin to have an unpleasant odor. Thus when the clothing has ab- sorbed a certain amount of perspiration, the cloth loses its power to take up more impurities and so they run out o\er the skin and dry there. Warm water is best for washing away these impurities. Only good soap should be used with the water. Bathing in warm water enlarges the blood vessels in the skin and drains the blood away from the brain. This is the reason why warm baths should be taken at bed time. Cold boths contract the blood vessels in the skin and drive the blood inward to the internal oigans and the brain. This makes us feel keen and alert. Cold baths are a great skin tonic. They train the blood vessels to respond quickly to changes in temperature. People who take cold baths regularl}- are usually hardy and little subject to colds. A cold bath must be followed by a reaction — that is, the blood, which was driven inward, must rush backward into the ves- sels on the surface again, so that the skin becomes warm and glowing again. Rubbing the body with a rough towel helps to secure this reac- tion. If the reaction is not secured, or if one feels tired or unwell after bathing, the cold bath was either too long or the body is not strong enough to stand the shock. No bath of any kind should be taken for an hour after eating. The blood is needed in the stomach and intenstines to help digestion at this time. It will certainly interfere with your health if you draw the blood to the surface of the skin while digestion is going on. Twelve Rules for the Care of the Eyes Take care of your sight; upon it depends much of your safety and success in life. 1. Always hold your head up when you read. 2. Hold your book 14 inches from your eyes. 3. Be sure that your light is good and that there are no shadows on the oage. SYLLABUS ON HEALTH 33 4. Never read in the twilight, in a moving car, or in a reclining position. 5. Never read with the sun shining directly on the page. 6. Never face the light when reading. The light should come in over the left shoulder. 7. Avoid books or papers printed in small type. 8. Rest your eyes frequently by looking away from the book. 9. Never rub your eyes with your hands or an unclean towel, handkerchief or cloth. 10. Never use, in public places, any roller or hanging towels that have been used by others; if you cannot get a clean towel or paper towel, let your hands and face dry in the air. 11. ^^'ash the eyes, using the eyecup, when foreign matter lodges in them. If inflamed use a weak solution of boric acid. 12. Have your eyes examined by a competent oculist, if any sign of weakness is noticed. (See also "First Aid" on Pages 51-54-) SIXTH YEAR— B GRADE Morning Health Inspection. Refer to the directions under "Morning Health Inspection" on Page 7. Hygiene instruction by chairman or teacher. Digestive System The apparatus for the digestion of food is called the alimentary canal. It consists of the mouth, teeth, tongue, aesophagus or gullet, the stomach, the small intestine and the large intestine. The secretions of the glands of the mouth, the liver, the stomach, the pancreas and the small and large intestines form ;m im- portant part in the digestion of foodstuits. Bxplaiiatioii The bod)^ like a machine needs fuel to supply it with energy. Food is the fuel of the body. Furnished in the right quan- tity and quality and properly digested, food gives all the material needed for growth, repair, and also provides the human mechanism with the energy necessary for work. The food has to undergo certain changes before it is made fit to be used. The process of changing the food is called diges- tion. 34 SYLLABUS OX HEALTH During the process of digestion certain substances from the body are added to the food by the secretions of the sahvary glands. the glands of the stomach, intestines, and pancreas. The salivary glands continue to discharge their fluid quite freely. The ground-up food takes on this watery substance and is changed into a soft semi-liquid paste. The salivary glands are situated on the sides of and underneath the tongue. The saliva is very useful in the process of digestion. a. It moistens the food. b. It lubricates the surface and organs of the mouth. c. It softens the harder substances. d. It prepares the food so it can easily be swallowed and mixed readily with other digestive fluids. e. By dissolving salts and sugars it brings out their taste. Food pas.ses from the mouth through an inch tube called aesopha- gus or gullet. By contractions of the succeeding muscle fibers of this tube the food is pushed downward to enter the stomach. Food is eaten either in the raw state or is prepared l)y l)oiling, baking. roa,sting. or frying. The Stomach The stomach, a nniscular pouch, is a continuation of the aesopha- gus, located under the heart and diaphragm. The food remains in the stomach to be further ground and mixed up, for a period of from three to seven hours. From the stomach the food is at intervals forced into the small intestine. Both ends, the point of entrance of the food, called cardia, and the outlet, called pylorus (gatekeeper), have an arrangement of circular muscular fibers, which contract and hold the food in the stomach until the process of digestion is far enough advanced. The stomach is ten to twelve inches long, four to five inches wide, weighs about four and one-lialf ounces and contains from two to three pints. The stomach has four coats of dift'erent structure. Each coat has a definite function to perform. The inner or mucous coat has rough ridges, like wrinkles. It is lined with millions of glands which are excited to discharge a clear, colorless and acid fluid, when food enters the stom- ach. This fluid is called gastric juice, and consists of three ferments — pepsin, rennin, and lipa.se — and hydrochloric acid. SYLI.ABUS ON HEALTH 35 When the stomach is empty the surface presents a pale pink hue. When food enters the stomach, the color of the stomach is chang- ed to a bright red, due to the blood rushing to the minute blood vessels in the submucous or second coat of the stom- ach. AVhen food enters the stomach the coats become stretched, to accommodate the food. The stomach increases m size. When the food passes out, the stomach gets smaller, that is, the muscular fibers contract. While the food remains in the stomach the muscular tibers are in continual wavelike motion, turning the contents around. At the same time the gastric juice is freely secreted from the glands of the mucous coat of the stomach. By the incessant contraction and motion of the stomach the food is mixed thoroughly with the gastric fluid. As soon as the food is liquefied sufficiently, the pylorus, or gate- keeper, relaxes and permits of its discharge into the small intestine. At the time of exit the food is of a pulpy consistence dark in color and is then known as chyme. Digestion in the Stomach The pepsin dissolves and changes proteid food and prepares it for the completion of the digestive process in the intestines. (Meats, eggs, beans, peas, almonds, fish, bread, oatmeal, cheese, lentils, nuts.) Rennin changes milk to casein. Before milk can be digested by the gastric juices it must go through the process of coagulation. Lipase is capable of decomposing fats, It prepares the oils and fats for absorption. When food enters the stomach it is alkaline in nature. Hydro- chloric acid, coming in contact w ith it, changes it into an acid state. Hydrochloric acid exerts, some slight action on sugars. It also is a powerful antiseptic for it destroys certain bacteria. Functions of the Stomach It acts as a reservoir for the food. It is the most important digestive organ. In it the proteids and albuminoids are changed through the addi- tion and action of the gastric juice, so that they become ab- sorbable in the intestines. Certain kinds of foodstuffs are absorbed directly from the stom- ach (alkaloids, salts, water, fruit juices) and a small amciinl of soluble proteids. 36 SYLLABUS ON HEALTH It has an antiseptic function. It liquefies and grinds the food, avoidino^ irritation and mere or less injury in the intestines. The Small Intestine Through the pyloric opening the food passes from the stomach into the small intestine. The small intestine is a fleshy winding tube about 20 feet in length and one and one-half inches in diameter. The process of digestion of food is continued and finished in the small intestine, and from here it is absorbed by the blood. It has, like the stomach, four coats. The inner coast is thickly set with villi and secreting gb.nds. The submucous or second coat is rich in lymphatics and has an abundant blood supply. The fibers of the muscular or third coal are partly longitudinal and partly circular. The serous coat or outer covering is continuous with the lining of the peritoneum. The nervous control of the small intestine is furnished by the sympathetic nervous system. Digestion in the Small Intestine The chyme or the product of the digestive process of the stom- ach is acid as it enters the intestines, but it is changed to an alkaline condition by the secretion of the bile and pancreatic juice. The gall bladder is the storehouse of the bile which is produced by the liver. When needed the bile is discharged from the gall-bladder through the common bile duct into the upper part of the small intes- tine (duodenum). The bile is an important agent to digestion. a. It aids in rendering alkaline, the intestinal juice. /'. It emulsifies fat. c. It forms soap and promotes the absorption of fats. d. It promotes the al)sorption of fats by stimulation of the the intestinal villi. e. It produces intestinal peristalsis. The pancreas is a gland situated below and near the stomach. It produces the pancreatic juice. The pancreatic juice is poured out and mixed with the bile in the upper portion of the small intestine. The presence of hydrochloric acid in the chyme ( partly digested food ) com- ing from the stomach causes the pancreatic juice to flow intO' SYLLABUS ON HEALTH 37 the intestine. It acts on the foods ah'eady acted on in the stomach. It is the most important digestive juice and con- tains three enzymes which finish the act of digesting pro- teins, starches, and fats. An enzyme is an organic substance which is capable of changing other substances in most cases, by adding water. The foodstuffs taken in must undergo several changes before they are ready to serve their many functions such as providing material for growth, repairing worn out tissues, furnishing heat and energy to work. The muscular coat of the small intestine continually contracts and relaxes. By so doing the contents of the intestines are squeezed along. This action is called peristalsis. The circular fibers at a definite place contract, making the ring narrower. These fibers then relax, but other fibers nearby contract. A constant wave-like motion is maintained by this process. At the same time the longitudinal fibers contract, making the gut smaller, to relax again to their normal size. This combined action of con- traction and relaxation of the circular and longitudinal mus- cle fibers produces a most favorable condition for the squeez- ing of the food remnants through the long winding trail of the intestines. By the action of the bile and certain substances contained in the intestinal and pancreatic juices the fat is made into a white and milky fluid, termed chyle. The chyle holds in solution the digestible portions of the food. This completes the process of digestion. The food is now ready to be carried to all parts of the body. This is accomplished by the process called absorption. Absorption Absorption is the process by which the digested liquefied food is conveyed directly or indirectly into the circulating blood. The largest amount of absorption takes place from the small in- testine. There is less absorption from the stomach and large intestine. Absorption is accomplished by two avenues, — (a) the minute blood vessels called capillaries connected with the stomach and intestines; (b) lacteals. Capillaries — A very extensive system of blood vessels is connected with the villi and other parts of the mucous or inner coat of the small intestine and stomach. 38 SYLLABUS ON HEALTH During digestion the villi dip into the canal and take up the di- gested food, giving it to these blood vessels to be taken up by the blood. The minute blood vessels form veins, and these veins emi)tv the blood with the collected food into the portal vein. The portal vein carries the blood to 'he liver, dividing in smaller t)ranches. Certain changes take place in the food while pass- ing through the liver. The divisions of the veins unite again, the blood goes via hepatic vein into the lower vena cava ?.nd enters the regular circu- lation. Lacteals — Alongside of the small blood vessels in the small intestine is an- other peculiar set of vessels called lacteals. They have their beginnings in the little villi and al:)Sorl) mostlv fatty products (chyle j. The lacteals derive their name from their milky white appear- ance. By a system of uniting, the smaller vessels form a few larger ones. This process is continued until one tube is formed, the thoracic duct. The thoracic duct passes upward through the thorax or chest and empties its contents into the internal jugular and stibclavian veins. These veins empty their contents into the heart to be sent out with the pure blood to feed all parts of the body. The Large Intestine The large intestine is the continuation of the small intestine. It is about five feet in length. Its diameter is much greater than that of the small intestine. It also has four coats, the mucous, submucous, muscular and se- rous. The mucous coat has many glands, the secretion of which lubri- cates the surface of the canal. The large intestine is made up of three parts ; the caecum, a short wide pouch ; the colon with the ascending, transverse, and descending portion, and the sigmoid flexure. Absorption takes place in the ascending colon. It is the main office of the large intestine to receive the indigesti- ble residue of the food and in time to expel it from the body. Assimilation of Food The food which has been eaten, digested and absorbed by the blood is now ready to serve its many purposes. SVI^IvABUS OX HEALTH 39 But that cannot be done while the nutritive material is held in the confines of the blood vessels. It must now be brought in contact wiih the tissues, to enable them to select from the material such substances as are needed to meet their particular demand. This takes place in the smallest and minutest blood vessels (cap- illaries), the walls of which are very thin. By a physical process called osmosis some of the constituents of of the blood (lymph), containing the nutrient material, pass through these thin walls. They are received by the tissue spaces where contact with the tissue cells is established. The tissue cells are now enabled to make their selection. a. Some may need more material for growth. For this the muscles, nerves, bones and the connecting tissues select different substances. The substance needed for growth and repair of tissue is derived mainly from proteid food. b. Some cells may need repairing. A constant wearing and breaking down of tissue goes on in the living body. The material for repair or replacement of wornour tissue is furnished by the proteid food we eat. c. Some have to be supplied with energy needed for work. Bread, potatoes, rice, sugar, so-called carbohydrates, furnish the energy-producing material. d. The body may be compared with an engine at work. Fuel in the form of oil, wood, or coal must be put into the fire box, ignited and with oxygen added through the draft these substances burn and supply the heat to keep the engine at work. The same is true with the human machine. Fats such as butter, lard, fat of meat, nuts, oil and oxygen furnish the heat-producing elements for the human machine. Hygiene of the Digestive Tract Food should be clean and well prepared. It must contain all the elements which are needed for groAvth, repair and animal function. Do not eat unripe or decomposed fruit. Keep fingers put of the mouth. 'Use private drinking cup. Keep teeth clean by brushing. Have dentist look after teeth and keep them in good healthy con- dition. 40 SYLLABUS ON HEALTH Unclean and decaying teeth cause bacteria to be mixed with the food. This may disturb the digestion in the stomach. Keep the mouth clean, rinse it daily. Chew food well and eat slowly ; by so doing a favorable condition is produced for its digestion. Saliva has a good chance to mix with it. The food particles are completely broken up, so that all the nutriment can be derived from it. The stomach is not prepared to break imperfectly chewed food. Fast eaters suffer from indigestion. Eat moderately. Rapid eaters usually overeat. Gluttony is a bad habit. It causes discomfort and may result in serious illness. Do not eat too much meat. A dry and coated tongue due to indigestion or constipation takes away the taste of food and with it the enjoyment of eating. Eat regularly. Eating between meals overtaxes the stomach. The stomach, like every organ, needs an occasional rest. Eat freely of fruits and vegetables. They are easily digested and form the bulky contents of the alimentary canal. They favor the peristaltic action of the stomach and intestines, avoiding constipation. They produce a healthy state of the intestinal mucous membrane. Exercise, except immediately after eating, stimulates digestion Trunk bending causes the bile and other juices to flow freely. Do not exercise immediately after eating, because after a meal blood is needed to furnish the secretion of the glands in the digestive apparatus. Exercise on the other hand draws the blood to the active muscles. Th-jt is the reason why exercise immediately after eating is not wise. Without the digestive juices there is no digestion and when the blood is drawn away from the abdomen it cannot supply the needed digestive juices. For the same reason do not bathe immediately after eating. Bath- ing draws the blood to the skin. The amount of food eaten should be in proportion to the work which has been or is to be accomplished. Do not eat when fatigued from phvsical work or brain work. When fatigued the organs are in no condition to respond to. the duty which is imposed upon them. In such. cases rest be- fore eating. Drink plenty of fresh water every day. About two quarts a day. Some people err in this respect and the body becomes caked for lack of fluid in the svstem. SYLI.ABUS ON HEALTH 4I Occasionally drink hot water ; it regulates the stomach and stimu- lates bowel movement. Erect posture has a strong influence upon digestion. Do not wear tight belts or corsets. They interfere with the nor- mal action of the stomach, liver, and intestines. During the meal time be happy. A happy disposition and laugh- ter stimulate a free flow of all digestive juices and affect the muscles of the diaphragm and the abdominal wall. Anger and a sullen disposition check the digestive secretions. Refrain from worry, envy, jealousy, over-responsibility and other undesirable mental states. They derange the nutritive pro- cesses. Eyestrain interferes with digestion. Remove the cause l^y wear- ing suitable spectacles, or by not reading books printed with small type, or by reading only with light over the left shoul- der. How Disease Germs Spread Disease germs may lurk in water, miik, food, or in dust on cloth- ing, books, or things that people handle. The germ must. come, however, from a person or an animal al- ready infected with that particular disease. Disease germs may spread like wildhre, because the sick person may be going about among well people, sowing the germs, not realizing what he is doing. Measles are most catching, when the child is just beginning to be sick, and seems only to have a cold in the head. People may recover from diphtheria and typhoid fever and yet cany around the germs of the disease, which have continued to live and grow in their bo- dies. Then there are people known as "carriers," who, al- though the disease germs seem to have no effect on their sys- tem, still carry the growing, living germs wherever they go to infect others. Germs gradually die, if allowed to stand quietly in sun and air. They may survive for a time in drinking water, on the fin- gers, on the edge of drinking cups, or on towels, but their number is always growing less (except in milk). In order to be communicable the germs nmst be carried quickly from one person to another. There ore three principal ways that this may be done : fingers, food, flies — the three F's of sani- tation. Fingers may mean contact or spreading germs by touching things. 42 SYI,I,ABUS ON HEALTH Sneezing or coughing in people's faces may also spread germs directly. Food spreads germs to people when it is infected, and as the germs are invisible, it is extremely important that we drink only water and milk that have been analyzed and vouched for by the city, and that all uncooked foods be thoroughly washed and cleaned. Cooking kills germs. Insects and especially flies are the most dangerous carriers of disease germs. They pick up infected material on their legs and bodies and distribute germs on everything they touch. Yellow fever is carried from person to person by a certain variety of mosquitoes. We should all do our utmost to ex- terminate flies and mosquitoes. Dogs, cats, rats carry germs. Rabies, a most terrible disease, is contracted from the bite of a mad dog. The bubonic plague is spread by rats and fleas. The Microbe and Disease Some of the commonest communicable diseases are : Diphtheria Scarlet fever Measles Whooping cough Tuberculosis Colds The above diseases are communicated by the germs of the dis- ease being taken into the mouth through water, food, or some article touched by the lips. The most remarkable discovery made in modern times has been the art of sanitation, or the art of protecting man from the many diseases that start in this way. It was Louis Pasteur who first gave us the idea of microbes or germs. He discovered tiny living organisms in the tissues through the use of his microscope. These microbes or germs (as they are called), if taken ini.o the body, grow and multi- ply very much as mold grows on jelly and this poisons the tissues of the body and causes us to feel dull and heavy, gives us a headache, and makes us grow hot and feverish. There are a great many different kinds of microbes, some of which play an important part in the betterment of the world. Others are dangerous microbes 2.nd cause the diseases men- tioned above. Some microbes or germs turn milk sour, others turn jelly moldy, others cause meat to decay. It is a gemi which makes certain kinds of cheese taste as they do. SYI,I,ABUS ON HEALTH 43 Some microbes are little animals, and some are little plants. The microbe which causes malaria is an animal. The yeast, which makes our bread, is a plant microbe. '1 he most iniportant of all the microbes are a group called bac- . tena. 1 iiey are so small that four hundred million of them could be packed in a grain of gianulated sugar. They look like tmy rods or dots, or mmute sausages, or corkscrews. Bacteria grow very fast, when they have plenty of food, and when one bacterium grows to a certain size, it simply splits in half, making two. This may happen every twenty minutes and you can figure out for yourself, how many bacteria can grow in ten or twelve hours. Bacteriologists in their laboratories cultivate all sorts of bacteria. They do it in rows of glass test-tubes filled with jelly. On top of the jelly they cultivate the germ or bacteria. When the bacteriologist wishes to plant a new garden of bacteria, he simply carries a tiny bit over from one garden to the next on the point of a fine wire. By growing bacteria in different kinds of fluid or jelly he can study their action on proteins, sugars, and other substances. When the bacteriologist wishes to find out if there are germs in milk or water, or any substance, he mixes some of the milk with a melted jelly containing food which the microbes can eat. He then keeps this at a certain temperature favorable to germ life. Soon the microbes begin to grow and multiply. Then he can begin to study them. Insect Enemies The germs of some diseases are carried by insects on their feet or their proboscides, from which they may be deposited on the food which we eat, or directly into the blood by a bite. The "black death" which swept over Europe in the fourteenth century was spread in this way; and our own bubonic plagues are caused by the bites of fleas, who take the germs from infected rats. The dread disease typhus fever, sometimes called ship or camp fever, is the result of a germ carried from person to person by the bite of the loathsome louse. The insect which we must be most wary of is the common fly. A fly carries, on the average, from fourteen thousand to over a million microbes, depending upon the filth in which the fly lives and breeds. In our Spanish War one out of every twenty-five of our soldiers had typhoid fever, and it was found that the fly was the cause of the spread of the disease. 44 SYLLABUS ON HEALTH It has been found that summer complaint, from which disease many babies lose their lives, is also the result of germs car- ried by flies. Flies, therefore, are not only a nuisance but a real danger to health ; and we should protect ourselves against them by anti- fly campaigns, screening the windows, "swatting the fly," and by eft'ective methods for preventing their breeding. As the flies' favorite breeding place is manure and decaying rub- bish, we can control the development of flies by cleaning up the rubbish, and by keeping the manure in the stable in dark tight covered bins, disinfected with borax. Trapping flies is also an important measure of control. Fly traps and fly paper may be effectively used. It was once thought that malaria was caused by a gas that rose from marshes, or from earth that had been recently turned over. But it is now known that malaria is due to a germ, from the bite of a mosquito. Of course, as the mosquitoes come from marshes and stagnant water, the mystery of the gas theory is explained. The way to control the breeding of mosquitoes is to drain all channels of sluggish water, empty all barrels, pails, tin cans, or water containers. Where this cannot be done, pour a little kerosene on top of the water every two weeks. The oil spreads out in a thin layer on the surface and kills the larvae or wigglers, when they come up to breathe. It is not a bad idea for each classroom to organize a sanitary squad, to war on both flies and mosquitoes. Such a squad can do a real service for the community and for their own health. (See also "First Aid" on Pages 51-54.) SIXTH YEAR— A GRADE Health inspection each morning. Refer to the directions un- der "Morning Health Inspection" on Page 7. Hygiene instruction by chairman or teache^. The Hygiene of the Teeth Our first teeth begin to grow when we are four months old. At the end of the second year we usually have all of our first teeth, twenty in all. At six years of age these teeth begin to come out and are re- placed by the second or permanent set. SYLLABUS ON HEALTH 45 By the time we are twelve years of age we generally have all of our second teeth. The last teeth to grow are the four v/isdom teeth and they appear between the ages of 17 and 25. We have four kinds of teeth — 4 sharp cutting teeth called incisors in the front of each jaw. 6 molars or flat grinding teeth at the back of each jaw. 2 cuspids. 4 bicuspids (partly for cuttmg) at the sides of each jaw. The part of a tooth above the gum is called the crown and that underneath the gum the root. The greater part of the tooth is made up of a hard strong sub- stance called dentine. On the crown this is covered with a still harder layer of enamel. On the root the tooth is covered with cement. Inside the tooth or dentine is a soft mass of pulp containing nerves and blood vessels. When particles of food are left between the teeth they decay and the chemicals produced by microbes eat the enamel and gradually destroy it. Pyorrhea is a disease of the gums caused by a different kind of microbe. These loosen the teeth so that they fall out. Neglect of teeth produces all sorts of trouble. First there is the unpleasant odor from decaying teeth ; second, when the tooth decays, it becomes sensitive to heat, cold, sweet and hard sub- stances, with the consequence that the chewing of food is neglected and food reaches the stomach in an indigestible condition ; third, the microbes themselves get into the blood and cause poisons which make the worst kind of sickness, as, for instance, rheumatism and heart disease. Chewing hard food such as crusts of bread is good for the teeth, but one should never crack nuts with the teeth, because the enamel is brittle and will chip off rather easily. The most important item in keeping the teeth sound is the tooth- brush. The teeth should be brushed after each meal. Once a day dentifrice should be used, the other times plain water will do. Vinegar may be used to take the place of tooth powder or tooth paste. It is necessary to know how to brush the teeth. Here is the rule. Three to five minutes are needed ; first, go over the back and front of the teeth in both jaws; second, brush the crowns or top of the teeth ; third, the gums must be cleaned ; fourth, between the tonmie and the teeth at the sides of the mouth 4^ SYLIvABUS ON HEALTH must be cleaned. Press the toothbrush against the teeth and then brush with a rotary motion (scrubbing). After this rinse the mouth, forcing warm water violently between the teeth and around the gums. Then it may be necessary to use dental floss to remove particles that have wedged them- selves between the teeth. We should visit the dentist at least twice a year for inspection. He will remove the tartar and take care of the teeth that threaten decay. Then he can tell us if our teeth fit right. Yes, sometimes teeth are crowded together so that they do not meet properly when the two jaws are brought together. In this case we cannot chew our food properly. The dentist can straighten these teeth if we go to him while young boys and eirls. The Circulatory System The Blood It is absolute]}' essential to life and nnist flow constantly through the body. It brings nourishment and fresh air ( oxygen ) to all parts of the body. It collects and carries away waste matter. In case of an injury the blood contains the substances needed fcr repair and brings it to the part in need. The blood has in it a substance which destroys disease germs. The blood passes constantly through the circulatory system from the heart otitward through the arteries and returns through the veins- back to the heart. The outgoing blood is red, the returning ])lood is purplish ( im- pure). The blood is composed of red and white corpuscles and a watery liquid (serum). The red blood corpuscles carry the oxygen to the body tissues. The white blood corpuscles contain the substance, which destroys disease germs. The serum carries the nourishment absorbed from the food to the tissues and returns with the waste matter. Keep blood in good condition by good nourishment, fresh air, rest, pure water, etc. ; also by keeping the skin in healthy functioning condition, through exercise and bathing. Poor and insufficient nourishment impoverishes the blood. Impoverished blood and that loaded V\?ith poisons and unhealthful things will tend to lower the health. SYLLABUS ON HEALTH 4/ The Heart The heart is hkened to a pump, which constantly forces the blood through the blood vessels. The human heart is about the size of a fist. It is situated in the upper left portion of the chest. It consists of four chambers : a. the right auricle b. the right ventricle c. the leit auricle d. the left ventricle The outlet of each one of these chamljers has a protecting valve, preventing the blood from flowing back. a. The right auricle has a "tricuspid" valve. h. The right and left ventricles each have a "semilunar" valve. c. The left auricle has the "mitral" valve. The heart is a muscle with the power to contract and to return to its normal size. The chambers in turn contract and force the blood out of one cavity into another chamber or blood vessel as the case may be — In this order : The venous blood enters the right auricle, when filled it contracts and forces the iilood into the right ventricle. Upon contraction the blood is forced through the pulmonary artery into the lungs to give off impure air (gases and water) and to take up fresh air (oxygen). It then returns through the pulmonary vein into the left auricle, which contracts when filled, the blood entering into the left ventricle. From here it is forced by the contraction of the left ventricle into the aorta, starting on its journey through the body, to return and to continue in the same way again. The contractions of the heart and the closure of the valves cause the heart-beat. The heart beat can be heard by placing the ear against the left side of the chest. Average heart beat in baby 120-140 beats per minute, in adults yz times per minute. Exercise, excitement, fear, anger, and illness (fever) make the heart beat faster. Arteries The arteries are tubes that take the blood from the heart. These tubes are made up of three different coats, each one with a different function. 48 SYLLABUS ON HICALTH The inner coat is smooth to allow the blood to pass on without much friction. The next coat is composed of muscular and elastic fibers. By contracting it accelerates the flow of blood in the right direc- tion. The blood passing through the arteries does so in spurts. It is pushed on by heart beats. The heart beat is felt on dififerent i)arts of the body where the arteries are close to the surface. This is callea "pulse." The arteries form a system. The large artery (aorta) divides, one branch going up to the head, the other starting down- ward. At intervals these branches divide again, each division forming subdivisions and the subdivisions forming many branches. The arteries in this Vv'ay become more numerous but smaller in size until they are so small that they cannot be detected with the naked eye. The small blood vessels are called capillaries ( hairlike j. Tobacco, alcohol and old age cause the arteries to lose their elas- ticity. The arteries become brittle, do not push the blood along and often rupture. This is especially true when the heart beat is fast as under undue excitement. Right living and the abstinence from tobacco and alcohol will influence greatly the healthy condition of the arteries. One is as old as one's arteries. If an artery is cut, the blood spurts out in jerks as the heart push- es it on. In such a case apply a tourniquet between the wound and the heart to stop loss of blood. Xhe Capillaries The capillaries are the minute blood vessels. They are the con- necting link between the arteries and veins. In the capillaries the blood gives ofit" the oxygen and nourishment to the cells. It also collects here the accumulated waste matter and carries it into the veins. The capillary net work is present everywhere in the body. The Veinr, The veins are the tubes that carry the blood back to the heart. The veins have valves at certain intervals compelling the blood to go in one direction, preventing it from flowing backward. The veins carry the blood which has been deprived of the oxygen and nutriment and which has in uirn taken up the waste mat- ter collected on its path. SYLLABUS ON HEALTH 49 The structure of the vein consists of ihree coats, the inner, middle and outer coat. On its passage to the heart the veins take up the contents of the lymphatics, containing the food, which has been absorbed. Should a vein be severed by an accidental cut, apply tourniquet beyond the seat of the injury. The venous system begins in small vessels which are gathered in- to larger trunks. This process is continued until they ter- minate in the superior and inferior vense cavas entering the heart. Growth and Development After a child is born it is weak and helpless, wholly dependent upon its parents. Then slowly day by day, week by week, and month by month it grows in size, weight, strength and in- telligence. It learns to creep, then walk, to coo and then to speak and finally gains possession of all the powers of full maturity. At birth, as a rule, the baby weighs six to nine pounds, and is less than twenty inches long. By the end of the first six months the weight has doubled. By the fifth year he weighs an average of forty younds, by the tenth year sixty and by the fifteenth year one hundred pounds. The growth is rapid at first, but the per cent, of increase grows less ana less as a per- son grows older. During all this time a person grows in size, he develops in ability to think and to do things. It is the place of education to train .children and make them grow into useful man or woman- hood. For the first twenty or thirty years of life, the child and the young man or woman grows bigger and stronger physically and mentally. From thirty to fifty years, the man or woman is in the full prime of life and vigor. At fifty the body begins to decline gradu- ally, finally old age comes on. Poor food, overwork, loss of sleep and rest, bad habits, lack of fresh air, sunshine, exercise and overstudy interfere with normal growth and development. Smoking also has a detrimental efifect upon growth. 50 SYLLABUS ON HEALTH Healthful habits are particularly important in youth, because it is during this period that the strength and beauty of the mature body are determined. The forming of habits of con- duct is also important at this time, because the habits estab- lished in youth remain with one during a lifetime. Character Building Train yourself in obedience, punctuality and promptness. Be orderly in the home, in school and on the street. Be honest to yourself and to others. Be truthful at work ; at play ; in speech and action. Co-operate willingly at home and in school. Cultivate friendliness, sympathy and loyalty. Develop courage and bear pain with fortitude. Show gratitude and return kindness. Keep appointments and promises. Better not to promise, than not to keep. Be patriotic. Live rightly. (See also "First Aid" on Pages 51-54.) 51 First Aid In introducing here a few important directions on "First Aid" it is intended that the pupils of the fifth and sixth grades be taught in the regular hygiene period after the completion of the outlined course the following high points in "first aid," so that they may be prepared to give immediate help in case of accident. A knowledge of "first aid" has frequently been used by young children in giving assistance and relief to injured people. There are authentic cases on record of children saving a parent's life by using the tourniquet efifectively. First aid is the practice of giving immediate help to an in- jured person on the scene of an accident before a doctor arrives. Important Things in First Aid Send for a doctor. Keep cool. If no older person be present, take charge of the situation. Gently but firmly remove the patient, if possible, to a quiet, airy place with moderate temperature. Place patient in comfortable position, preferably on back. Give patient lots of fresh air. Loosen clothing. Keep crowd away. If clothing covers wound, carefully cut the clothing in the seam. Dress all wounds as quickly as possible. If bleeding occurs stop it before the wound is dressed. If patient be unconscious, watch him carefully. Shock or Collapse Shock is common after serious injury. The signs of shock are a cool, clammy skin, vomiting, weak, rapid pulse, irregular breathing, half-opened eyelids and dullness of mind, and the skin is of gray or greenish hue. Treatment — Send for a doctor. Place patient in a warm bed or wrap him in coats or blankets. Keep head low. Remove clothing at once, cutting it to save delay. Bandage wounds and broken bones. Apply heat to heart and stomach as well as inside 52 SYLLABUS OX HEALTH of legs and arms. Do not apply heac to the head. Give hot drinks unless skull is fractured or there is concussion of the brain or severe bleeding. Hot water, tea, or milk are good, or one-half teaspoonful aromatic spirits of ammonia in half a cup of water every fifteen minutes. No intoxicants. Cracked ice in patient's mouth relieves vomiting. Bleeding Arterial — Arterial bleeding is very dangerous and may cause death in a few minutes. Arterial blood is bright red — scarlet — spurting. It flows away from the heart. Venous — Venous blood is dark red and flows toward the heart. Capillary — Capillary blood is red, bright or dark. Slowly oozes out. Treatment — Send for a doctor. Have patient lie on back. Elevate wounded part. In every form of bleeding keep patient warm by artificial heat — hot-water bags, extra coats, etc. Cut away clothing to expose wound. Apply pressure and bind wound with clean cloths or dry gauze bandage. When bleeding stops give hot drinks and carefully loosen bandage. Cold water or ice often stops bleeding — hot water encourages it. To control arterial bleeding apply pressure directly on the wound with several thicknesses of gauze. Then apply pressure a short distance above the spurting point between the wound and the heart, using a tourniquet. A tourniquet can be made from a cord or rubber band, or suspenders, a knotted handkerchief, etc. It is placed around the injured part between the wovnid and the heart with the knot directly over the artery and then twisted with a pencil or piece of wood, etc., until it tightens so that the flow of blood is stopped. Every ten minutes the tourniquet must be loosened and a little blood allowed to flow, then tightened up again ; this prevents mortification setting in. For cuts on the hand or fingers, bind and raise the injured arm above head. Apply slight pressure at wrists. Bleeding from the Nose Apply cold cloths or cracked ice over nose and at back of neck. Drop head forward slightly. Pinch nostrils together. If bleeding is persistent, push small pieces of cotton into the nostrils with a pencil, making a tight plug. Keep this in several hours if necessarv. FIRST ATI) 53 fain till (J A mild form of shock. Lay palient on the floor or couch, lower head, keeping limbs elevated; apply warmth to body. Give lots of fresh air, loosen clothing. Give one-half teaspoonful aro- matic spirits of ammonia, in half glass of water. Use smelling salts. Wounds Send for doctor. Place patient in comfortable position. Stop bleeding. Cleanse with warm water and bandage. Tincture of iodine is useful to prevent infection. Swab ordinary wounds gently with a solution of iodine on gauze or cotton as soon as possible. Bruises Apply surgically clean gauze or cloth dipped in hot water to the wound. In severe cases involving fainting, apply warm blankets, etc. Give hot drinks, preferably coffee. No intoxicants. Poisons Send for a doctor. Give milk, white of an egg, or oils to cause vomiting. Snake Bite — Tear open clothing to expose wound quickly. Draw a handkerchief or rope around the limb above the wound just tight enough to stop circulation. A very. successful plan is to suck the wound to extract the poison. This should not be done by any one suffering from sore mouth or abrasions of any sort in the mouth. Care should be taken not to swallow the poison. Stings of ordinary insects, spiders, moscjuitoes, bees, etc., should be wet with a solution of table salt or ammonia. Cold water, alcohol, or common mud is also good. Broken Bones Treatment — Place patient in comfortable position supporting the injured part upon a pillow, etc. Handle fractured limb as tenderly as possible. Do not at- tempt to set bone. If necessary to move the patient, first bind the fracture to prevent the bones from tearing more of the flesh. If the broken bone comes through the flesh (compound fracture), try first to stop the flow of blood. Apply a splint, using an um- brella, long stick, etc, and wait for doctor. Burns or Scalds Cover slightly burned or scalded spots with pieces of lint or clean cloth dipped in a baking soda solution (one teaspoonful to one pint of water) ; cover this witli absorbent cotton and band- 54 SYLLABUS ON HEALTii age. In severe cases saturate cloth with fresh salad oil, ohve oil. sweet oil, or vaseline and apply to burn. Linseed oil and lime water are very useful in emergencies. Lacking oils, starch, flour or talcum powder are good. Cover the whole area with a layer of absorbent cotton and bandage. 55 Hygiene of the Class Room ' General instructions to teachers : A I. Seating ; Pupils should be seated with regard to the following points. 1. Height — Seats should be adjusted so that pu- pils can sit with hips well back, thighs resting on seat, feet flat on the floor. 2. Pupils should be watched for defective vision and hearing and placed at a proper dis- tance from blackboard and teacher's desk. 3. Light should fall from the left and from be- hind. II. Temperature : Classroom temperature should be maintained between 65 degrees and 68 degrees. III. Ventilation : Windows should be opened from top and bottom after every class period, during two-minute drills, regu- lar gymnastic play, and singing periods. Except as noted, windows should be closed when the forced ventilation is in operation. Drafts must be avoided. IV. Order and cleanliness of room : Children should be urged to take pride in the order and cleanliness of their desks and classrooms. V. Leaving the room : Pupils should not be restrained from leaving the room to go to the toilet. If the teacher suspects that a pupil is abusing the privilege, appropriate mea- sures may be taken subsequently. B Symptoms of Illness in Children Children showing any of the following symptoms should be 56 s^•l-LAP.Us ON iiivA];i'ii taken from the class immediately and sent to the nurse for special examination or sent home to parents with a written explanation : General Symptoms 1. Drowsiness 2. Cheeks flushed or pallid 3. Fever 4. Chills 5. Vomiting 6. Cough. Local 1. Pain 2. Eruptions, rashes, itching, irritation of skin 3. Red eyes 4. Running ears, deafness 5. Mouth breathing 6. Sore throat 7. Swelling in the neck.