INDEX 



509 



Chemical compounds, dis- 

 tinguished from mixtures, 

 14. 

 Chemical compounds in the 



body, 2.5. 

 Chemical compounds, relation 



to affinity, 13. 

 Cliemical elements, 12, 13, 28. 

 Chest cavity, 320. 

 Chiasma optic, 393. 

 Chief cells, 113. 

 Chocolate, 74. 

 Choking, 331. 

 Chordae tendinae, 185, 19. 

 Choroid layer of eyes, 457. 

 Choroid flexus, 398. 

 Chyle, 141. 

 Chyme, 116. 

 Cigarettes, 88. 

 Cilia in epithelial tissue, 41. 



in hydra, 148. 



use in digestion, 147. 



use in lungs, 318. 

 Ciliary ligament, 457. 

 Cihary movement, 297-299. 



in protozoans, 300, 301. 



in higher forms, 302. 

 Ciliary muscles, 458. 

 Ciliary processes, 457. 

 Circulation of blood, 180, 211. 

 Circulation effects of alcohol 

 upon, 210. 



in lower animals, 211, 219. 



portal, 200. 



pulmonary, 195. 



renal, 201. 



significance of, 218. 



systemic, 197. 



systems, defined, 180. 

 Circumvallate papilte, 445. 

 Clavicles, 229, 230. 

 Cloaca, 153, 381. 

 Clotting of blood, 161, 169. 

 Coal, 16. 

 Coccyx, 225. 

 Cochlea, 473. 



Cocoa, 74. 



Coelenterates, 341, 375, 429. 



Coeliac axis, 199. 



Coffee, 74. 



Cold-blooded animals, 35. 



Colds, 208, 336. 



Collar bone, 229, 230. 



Colloids, 137. 



Colon, 128, 129. 



Color production, 466. 



blindness, 466. 

 Combustion, 18, 19. 



in muscles, 282, 283. 

 Complexion, care of, 364. 

 Condiments, 73. 

 Cones and rods, 465. 

 Congestion, 206, 207. 

 Conjunctiva, 453, 456. 

 Connective tissue, 41, 42, 43. 

 Consciousness, 418. 

 Conservation of energy, 62. 

 Constipation, 145. 

 Contractility, 35. 



as a cause of locomotion, 297. 



of muscles, 28. 

 Cooking, 70. 

 Coral, skeleton of, 254. 

 Corium, 355. 

 Cornea, 456. 

 Corns, 366. 

 Coronary arteries, 186. 



system, 184, 199. 



veins, 184. 

 Corpora quadrigemina, 397. 

 Corpora striata, 395. 

 Corpus callosum, 395. 

 Corpuscles, bone, 42. 



red, blood, 160, 165, 167, 

 238. 



white, blood, 167. 

 Cortex of brain, 405. 

 Cortex of kidney, 368. 

 Corti, fibers of, 474. 



organs of, 475. 

 Costal cartilages, 229. 

 Coughing, 331. 



