Primer of Hygiene: Being a Simple Textbook on Personal Health and how to Keep itWorld Book, 1917 - 184 páginas |
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Página 2
... called on to prepare . On the other hand , a person who fails to do his work is unhappy and dissatisfied with his lot . The member of a family or of a school who is not try- ing to help the group to which he belongs is unhappy because ...
... called on to prepare . On the other hand , a person who fails to do his work is unhappy and dissatisfied with his lot . The member of a family or of a school who is not try- ing to help the group to which he belongs is unhappy because ...
Página 3
... called hygiene . It is a most important subject to you— so important that if you cannot afford to take time to study it and understand it , there are few things that you can afford to take time to do . Questions : 1. Mention some of the ...
... called hygiene . It is a most important subject to you— so important that if you cannot afford to take time to study it and understand it , there are few things that you can afford to take time to do . Questions : 1. Mention some of the ...
Página 27
... called digestion , and no solid food can get into the blood until it has been digested . Digestion in the mouth . In the mouth the food is tongue Each gland forms saliva and FIG . 14. The salivary glands . empties it into the mouth ...
... called digestion , and no solid food can get into the blood until it has been digested . Digestion in the mouth . In the mouth the food is tongue Each gland forms saliva and FIG . 14. The salivary glands . empties it into the mouth ...
Página 29
... called bile . This liquid flows into the small intestine through a duct from the liver and assists in the digestion of food . The pancreas is a long , flat organ that lies below the stomach . It has a duct that joins the duct from the ...
... called bile . This liquid flows into the small intestine through a duct from the liver and assists in the digestion of food . The pancreas is a long , flat organ that lies below the stomach . It has a duct that joins the duct from the ...
Página 30
... called villi . The digested food is absorbed into the blood vessels that are in these structures . The picture shows villi highly magnified . that this refuse matter be cleared out of the large intestine every day and not allowed to lie ...
... called villi . The digested food is absorbed into the blood vessels that are in these structures . The picture shows villi highly magnified . that this refuse matter be cleared out of the large intestine every day and not allowed to lie ...
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Palavras e frases frequentes
adenoids air passages alcohol amount Arm raisings bacteria bend blood vessels body boil bones brain Breathing exercise building carbon carbon dioxid carry catching diseases caused by germs clean clothing cold Command consumption dangerous decay digestive organs diphtheria disease germs disinfectant drinking eyes flies fresh air germ diseases germs that cause give glands grow habits head heart heat and strength hygiene important injure juices kidneys live malaria measles milk mosquitoes mouth muscles needs nerves nervous system nose oxygen passages and lungs patient person physician pneumonia poison pupils raisings through front rest scarlet fever sick side horizontals skin sleep small intestine smallpox spinal column spoil spread sputum stomach suffer Suggestions and topics teacher teeth throat tonsils tooth topics for development trouble tuberculosis tympanic membrane typhoid fever typhoid germs unclean ventilation wash wastes weather whooping cough wound
Passagens conhecidas
Página 32 - If to do were as easy as to know what were good to do, chapels had been churches and poor men's cottages princes' palaces. It is a good divine that follows his own instructions : I can easier teach twenty what were good to be done, than be one of the twenty to follow mine own teaching.
Página 30 - It is not what we earn, but what we save, that makes us rich. It is not what we eat, but what we digest, that makes us strong.
Página 102 - The year's at the spring And day's at the morn ; Morning's at seven ; The hill-side's dew-pearled; The lark's on the wing ; The snail's on the thorn : God's in his heaven— AWs right with the world!
Página 122 - If the air waves are small, the sound will be famt in your ears. The function of the ear. The ear collects the sound waves and makes them strike on the ends of the nerves of hearing. This causes the nerves of hearing to carry messages to the brain, and when these messages arrive in the brain we hear the sound. Certainly nothing in the world is more wonderful than the human ear, for it changes the air waves that come from the strings of a violin or piano into the sweetest music, and by collecting...
Página 108 - So I am bound to believe, on the evidence, that if you take alcohol habitually in any quantity whatever, it is to some extent a menace to you. I am bound to believe, in the light of what science has revealed: (1) that you are tangibly threatening the physical structures of your stomach, your liver, your kidneys, your heart, your blood vessels...
Página 90 - It is made up of the brain and spinal cord, and of the nerves, which run out from the' brain and spinal cord to all parts of the body.
Página 108 - ... your nerves, your brain; (2) that you are unequivocally decreasing your capacity for work in any field, be it physical, intellectual, or artistic; (3) that you are in some measure lowering the grade of your mind, dulling your higher...
Página 99 - Seven hygienic habits that you ought to form. 1. Keep your teeth clean. 2. Eat moderately and chew your food thoroughly. 3. Breathe pure air whenever it is possible to do so. 4. Go to bed regularly at a reasonable hour. 5. Take proper exercise and hold yourself erect. 6. Learn to rest and to keep yourself calm. 7. Guard yourself, so far as you can, from disease germs.
Página 71 - ... not live. We therefore have over the whole body a tough coat which protects the delicate living body parts. The inner part of this coat is alive, but the part which comes in contact with the outside world is dead and keeps falling away in dry scales. The structure of the skin. The skin is composed of an outer layer called the epidermis and an inner layer called the dermis. The epidermis has...
Página 105 - ... he could no longer defend himself against this enemy which is always waiting. The avoidance of alcoholic drinks is an essential part of the campaign against the Great White Plague. The International Congress of Tuberculosis recognized this fact when it adopted the resolution: "We strongly emphasize the necessity and importance of combining the fight against tuberculosis with the struggle against alcoholism.