618 



INDEX 



Renal artery, 201, 367, 368. 



circulation, 201. 



veins, 201, 367, 368. 

 Rennin, 113. 



Reproduction of cells, 50. 

 Reptiles, 217, 259, 349. 

 Residual air, 329. 

 Resonance, 490. 



Respiration (see Breathing), 

 312-339. 



artificial, 332, 333. 



effects of alcohol upon, 338. 



in lower animals, Chapter 

 XXII, 340. 



organs of, 313, 314, 320, 324. 

 Respiratory organs, 313, 314. 



diseases of, 335. 

 Rest, 423. 

 Reticulum, 157. 

 Retina, 457, 463-465. 

 Ribs, action in respiration, 320. 



cartilages of, 229. 



floating, 229. 



muscles of, 317. 



processes, 229. 



relation to thorax, 223. 



types of bone, 238, 239. 

 Rickets, 248. 

 Rigor mortis, 276. 

 Rodents, teeth of, 155. 

 Rods and cones, 465. 

 Rods of Corti, 475. 

 Round shoulders, 249. 

 Rumen, 157. 

 Ruminants, 156, 157. 

 Running, 290, 291. 



S. 



Saccharose, 54. 

 Sacculus, 473. 

 Sacrum, 225, 231. 

 Saliva, action of, 105. 



composition, 94, 104. 



effect of alcohol upon, 131. 



Salivary glands, 94, 102, 103, 



104. 

 Salts, absorption of, 141. 



blood, 163, 164. 



characteristics, 23-25. 

 Sanitation, 10, 493, 501, 502. 

 Saponification, 126. 

 Saprophyte, 495. 

 Sarcolemma, 45, 272, 273, 274, 



277. 

 Sarcoplasm, 45, 273. 

 Sarcostyles, 274. 

 Scapula, 230, 232. 

 Sclerotic layer of eye, 456. 

 Sebaceous glands, 356, 358, 



471. 

 Secretion, 99. 



a property of epithelium, 40. 



as a cause of motion, 296. 

 Semicircular canals, 473, 477. 

 Semilunar valves, 185, 186, 191, 



192. 

 Selection of food, 36. 

 Sensation, 436-485. 



auditory, 470. 



classification of, 438. 



cutaneous, 438. 



gustatory, 444. 



in lower animals, 480-485. 



internal, 444. 



olfactory, 448. 



pain, 443. 



pressure, 440. 



temperature, 442. 



visual, 452. 

 Senses, special (see Sensation) . 

 Sensory organs, development of, 



481. 

 Septa, luoida, 395. 

 Serous membrane, defined, 110. 

 Serum, 162, 163. 

 Sheath, medullary, 402. 

 Shoulder blades, 230. 

 Shoulder joints, 232. 

 Sighing, 332. 

 Sight sensation, 452, 465. 



