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acid action active alcohol amount animal arteries become blood cells blood vessels bones brain breathing burned called canal capillaries carbon carried cartilage cause cavity centers cerebellum cerebrum chest circulation cold bath color contract digestive organs diphtheria disease germs disinfected drinking eating effect esophagus exercise fatigue fats feel fluid gastric juice germs give habits hair happen heart heat injury intestinal juice joints keep kidneys kind lens liver living lungs lymph meal means membrane milk mouth movements muscles muscular natural necessary needed nerve cells nutrients oxygen pancreatic juice passes person pharynx physician plant poisons produced proteins pylorus quantity reflex reflex actions retina Review Questions saliva sensations sense of touch sick skin sleep small intestine smell smoke spinal cord starch stomach substances sugar supply Suppose taste temperature things tion tissue tobacco tube typhoid fever veins walls wastes white cells
Page 274 - In the first generation from inebriety the mental and physical degenerates were 77 per cent of all; in the second generation 96 per cent were defectives; in the third generation not one escaped, all were idiots, insane, hysterical or epileptics.
Page 131 - ... poisonous gas and to take in a supply of oxygen in its place, the act of breathing is no longer difficult, embarrassing, or tiresome, but is, on the other hand, a pleasure and a gratification. The impulse which comes from within, from the so-called respiratory centers...
Page 148 - January the skin had become natural over the entire body with the exception of the palms of the hands and the soles of the feet, which, though improved, remained dry, hard, scaly and cracked until the latter part of February.
Page 147 - The skin presents an eruption of spots, which are usually somewhat coppery, but sometimes of a rose-red tint ; while on the soles of the feet and the palms of the hands...
Page 223 - ... and wind up with cocaine and the rest of the narcotics at 30 and later on. It is like a pathologico-moral version of Hogarth's "The Rake's Progress. " It may look like overstating and exaggerating things, when I say that tobacco when habitually used by the young leads to a species of imbecility, that the juvenile smoker will lie, cheat and steal, which he would not, had he let tobacco alone.
Page 217 - ... dilatation and closure of the pupil, the balancing of the body, the heat-making processes, speech . . . writing. . . . "At the base of the large brain are found some very interesting groups of cells which serve as middlemen, receiving impressions or orders from the large or upper brain, and transmitting them through the spinal cord to the organs for which they are intended. Acts which are performed very frequently, as in walking, piano playing, swimming, and the special acts peculiar to the various...
Page 319 - The muscular sheet which separates the cavity of the chest from that of the abdomen. Di-ges'tion (Latin, di, apart, and gero, to bear).
Page 249 - These considerations cannot but raise the reflection how different the world may — I was going to say must — appear to other animals from what it does to us. Sound is the sensation produced on us when the vibrations of the air strike on the drum of our ear. When they are few the sound is deep ; as they increase in number it becomes shriller and shriller ; but when they reach forty thousand in a second they cease to be audible.