Primer of Hygiene: Being a Simple Textbook on Personal Health and how to Keep itWorld Book Company, 1920 - 184 páginas |
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Términos y frases comunes
adenoids air passages alcohol allowed amount Arm raisings bacteria bend blood vessels body boil bones brain Breathing exercise carry catching diseases caused by germs clean clothing cold dangerous decay digestive organs diphtheria disease germs disinfectant drinking cups eggs eyes flies fresh air germ diseases germs are spread germs that cause give glands grow habits head heart heating and strengthening hygiene important injure juice kidneys live malaria measles meat milk mosquitoes mouth muscles nerves nervous system nose passages and lungs patient person physician pneumonia poison pupils quarantine raisings through front rest scarlet fever sick skin sleep small intestine smallpox spinal column sputum stomach suffer Suggestions and topics teacher throat tonsils topics for development trouble tuberculosis tuberculosis germs tympanic membrane typhoid fever typhoid germs unclean vaccination ventilation VITAMIN wash wastes whooping cough wound
Pasajes populares
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 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 - ... of your stomach, your liver, your kidneys, your heart, your blood vessels, your nerves, your brain; " (2) that you are unquestionably lessening your power to 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 sense, and taking the edge off your morals; " (4) that you are distinctly lessening your chances of maintaining your health and of living to old age.
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...
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 108 - I am strength, and nervous control. bound to believe, in the light of what science has revealed, (i) that you are threatening the physical structure of your stomach, your liver, your kidneys, your heart, your blood vessels, your nerves, your brain; (2) that you are...
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 - ... 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...