Essential Lessons in Human Physiology and Hygiene: For SchoolsThe werner educational series. Essential lessons in human physiology and hygiene for schools |
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act of breathing alcohol and tobacco alcoholic drinks animal arteries auricle become beer blood corpuscles blood-vessels body bones brain bronchial tubes called capillaries carbonic acid cartilages causes cavity cerebrum CHAPTER chest circulation circulatory system cles cold color composed contagious contains contraction digestion disease drinkers duct effects of alcohol enters esophagus Exercise eyeball fats fatty fermentation fibrous fluid gastric juice germs glands glottis habit heart heart's action impure inches injurious interferes irregular bones joint kind lacteals larynx lens liver lungs mastication mouth mucous membrane muscles muscular tissue nerve center nerve-cells nerve-fibers nervous system nitrogenized nose nourishment nutrition organs oxygen pancreas periosteum person pharynx physiology poison principles produces proper quantity removed respiration right auricle saliva secrete sensation sense skin small intestine spinal column spinal cord starch stomach substance sugar supply taken throat tion trachea valves veins ventricle vessels walls waste matter
Popular passages
Page 140 - A pulse-tracing made after the patient has smoked a dozen cigarettes will, as a rule, be flatter and more indicative of depression than one taken after the smoking of cigars. It is no uncommon practice for young men who smoke cigarettes habitually to consume from eight to twelve in an hour, and to keep this up for four or five hours daily. The total quantity of tobacco used may not seem large, but beyond question the volume of smoke to which the breath organs of the smoker are exposed, and the characteristics...
Page 140 - ... consumption of cigarettes are more marked and characteristic than those recognizable after recourse to other modes of smoking. A pulse-tracing, made after the subject has smoked a dozen cigarettes, will, as a rule, be flatter and more indicative of depression than one taken after the smoking of cigars. It is no uncommon practice for young men who smoke cigarettes habitually to consume from eight to twelve in an hour, and to keep this up for four or five hours daily. The total quantity of tobacco...
Page 111 - The Liver. The liver is the largest gland in the body; it weighs from three and a half to four pounds.
Page 186 - The nodules are represented as usually appearing suddenly in the later periods of the rheumatic disease, varying in size from that of a pin-head to that of an almond, and remaining from a few days to a month or longer.
Page 54 - ... front surface of the heart is made up chiefly of the right ventricle and the posterior surface of the left ventricle. In the furrows run the coronary vessels, which supply the tissue of the heart itself with blood, as well as nerves and lymphatics imbedded in more or less fatty tissue. The Chambers of the Heart. — The interior of the heart is divided by a partition in such a manner as to form two chief chambers or cavities — right and left. Each of these chambers is again subdivided into...
Page 75 - ... in relation to structure: The stomach, the small intestine, and the large intestine are all lined by mucous membrane, have a muscular coat, consisting of two sets of distinct fibres — namely, circular fibres which surround the tube or v'iscus after...
Page 140 - ... pipes ; it is against the habit of smoking cigarettes in large quantities, with the belief that these miniature doses of nicotine are innocuous, we desire to enter a protest. The truth is that perhaps owing to the way the tobacco-leaf is shredded, coupled with the fact that it is brought into more direct...
Page 152 - It may be, for convenience of description, divided into three portions, viz: 1. The external ear. 2. The middle ear. 3. The internal ear or labyrinth.
Page 55 - ... thoracic cavity, with its base about in the median line, and its apex at the fifth intercostal space, midway between the median line and a perpendicular dropped through the left nipple. Its weight is from 8 to 10 ounces in the female, and from 10 to 12 ounces in the male. It has four distinct cavities: a right and a left auricle, and a right and a left ventricle. Of these, the ventricles are the more capacious. The heart is held in place, or may be said to be attached, by the great vessels, to...