INDEX 



435 



Pigment, in hair, 231 



in retina, 355 



in skin, 230 

 Pillars of fauces, 83 

 Pimples, cause of, 131 

 Pitch, of voice, 213 



perception of, 370 

 Pituitary body, 291 

 Plasma, 123 

 Playgrounds, 394 

 Pleura, 90, 180 



inflammation of, 189 

 Pleurisy, 189 



Plexus, brachial and lumbar, 305 

 Pneumonia, 183 

 Poisoning, blood, 131 

 Pons Varolii, 292 

 Portal blood system, 118, 150 

 Potatoes, 47 

 Poultry as food, 39 

 Pressure, blood, 154 

 Primitive sheath of nerves, 307 

 Pronunciation, 214 

 Prostration, nervous, 326 

 Proteid, as fuel, 30 



as tissue builder, 28 



disadvantages of, 30 



elements in, 28 



expense of, 42 



in bread, 39 



in milk, 39 



kinds of, 29 



nitrogen in, 30 



per cent of, in foods, 39 



relation of kidneys to, 31 



tests for, 400 

 Protoplasm, 17 



demonstration of living, 399 

 Protozoa, cultures of, 399 

 Ptyalin, 82 

 Pulmonary, arteries, 139 



veins, 141 

 Pulse, 142, 157 



demonstration of, 408 

 Pupil of eye, 344 

 Purple, visual in eye, 355 

 Pyloric valve, 91 

 Pyramids, Malpighian, 219 



Quarantine laws, 390 

 Racemose type of gland, 81 



Radius, 256 



Railroad companies and users of 



alcohol, 335 

 Ration for a day, 49 

 Rectum, 106 

 Reflex action, 312, 314 



and gastric secretion, 95 



and habits, 318 



and salivary secretion, 82 

 Reflex action, relation to conscio" 



centers, 317 

 Renal blood vessels, 221 



organs, 219 

 Rennin, 93 



action of, on milk, 94 

 Repair of cells, 20 

 Respiration, cause of movements of, 

 199 



center of, 194 



chemistry of, 200 



diseases of organs of, 181 



external, 193 



function of, 172 



internal, 193 



mechanism of, 190 



nitrogen in, 203 



rate of movements in, 196 

 Retina, 344, 354, 355 



pigment in, 355 

 Rheumatism, 287 

 Ribs, 253 

 Rice, 47 

 Rickets, 53 

 Rods in retina, 355 

 Rugae in stomach, 92 



Saccharose, 43 

 Saccule, 366 

 Sacrum, 253 

 Saliva, 63, 81 

 Salivary glands, 81 



demonstration of, 404 

 Salt in food, 53 



and condiments, 375 



in perspiration, 237 



in urine, 222 



Salt solution, formula, 423 

 Sarcolemma, 275 

 Scapula, 256 

 Scarlet fever, 71 

 School, hygiene, 383 



nurses, 390 



