Public and personal healthWorld Book Company, 1916 - 394 trang |
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Thuật ngữ và cụm từ thông dụng
acid adenoid adenoid growths alcohol amount animals antitoxin arteries attack bacillus bacteria bandage become blood bones brain breathing building called carbon dioxid carried cause cavity cells cerebrum chronic clothing cold corpuscles deaths diet digestion diphtheria disease germs drinkers drinking effect enzymes fibers fresh air germ diseases germs give glands grow health officer heart heat human body hygiene important Indiana infected injurious intestine juice keep kidneys kill kind living lungs lymph measles meat membrane milk mineral mouth mucous membrane muscles nasal nerve nervous system nose odors organs outdoor oxygen patient permanent teeth persons physician pneumonia poisons prevent protein pupils pus-forming quarantine scarlet fever sick skeleton skin smallpox smoke spinal column stomach substances suffer sugar supply tetanus throat tissue tobacco tonsils trouble tuberculosis tubes tympanic membrane typhoid fever vaccination vessels walls wastes wounds
Đoạn trích phổ biến
Trang 319 - Or will you fling it all away, decreeing, wantonlike, that the man you might have been shall never be?
Trang 319 - What will you leave for him ? Will it be a brain unspoiled by lust or dissipation, a mind trained to think and act, a nervous system true as a dial in its response to the truth about you ? Will you, boy of the twentieth century, let him come as a man among men in his time, or will you throw away his inheritance before he has had the chance to touch it...
Trang 50 - We strongly emphasize the necessity and importance of combining the fight against tuberculosis with the struggle against alcoholism.
Trang 141 - Such action may be brought by any person whose property is injuriously affected, or whose personal enjoyment is lessened by the nuisance ; and by the judgment, the nuisance may be enjoined or abated, as well as damages recovered.
Trang 1 - ... dryness a vessel of water from a swamp or stagnant pool. Note the dark-colored organic matter which remains. Heat the residue very hot, and the organic matter will all be burned out. The gray or white ash which remains is mineral matter. Disease germs in water. The disease germs that attack us are little plants and animals, — plants and animals so small that they can be seen only through a powerful microscope. Their home is in the human body, where they live surrounded by the fluids of the...
Trang 319 - Boy, let him come as a man among men in his time? Or will you throw away his inheritance before he has had the chance to touch it? Will you turn over to him a brain distorted, a mind diseased? A will untrained to action? A spinal cord grown through and through with the devil grass of that vile harvest we call wild oats?
Trang 319 - ... men in his time ? Or will you throw away his inheritance before he has had the chance to touch it ? Will you turn over to him a brain distorted, a mind diseased? A will untrained to action? A spinal cord grown through and through with the devil grass of that vile harvest we call wild oats...
Trang 238 - All schoolrooms where pupils are seated for study, shall be lighted from one side only and the glass area shall be not less than one-sixth of the floor area and the windows shall extend from not less than four...
Trang 231 - The nerves of sight enter at the back of the ey ? and spread out in the retina. The light reaches these nerves and starts messages in them by passing in through the cornea, the aqueous humor, the lens, and the vitreous humor, and striking against the retina. The iris and the pupil. The front part of the choroid coat is called the iris. This shows through the clear cornea, and the person is black-eyed, brown-eyed, or blue-eyed according to the color of his iris. In the center of the iris is a circular...
Trang 242 - In the middle ear are three very small bones, — the malleus (hammer), the incus (anvil), and the stapes (stirrup). The malleus is fastened to the tympanic membrane, the stapes fits into an opening that leads into the internal ear, and the incus is between the malleus and the stapes. These three bones stretch across the middle ear from the tympanic membrane to the inner wall. The Eustachian Tube. The Eustachian tube is a narrow passageway that leads from the middle ear to the pharynx. It enters...