INDEX. 



A. 



Abdominal cavity, 109, 223. 

 Abducent nerve, 389. 

 Abomasum, 157. 

 Abscess, 207. 

 Absorption, 133. 



definition of, 133. 



hygiene of, 145. 



of nutrients, 142. 



summary of, 142. 

 Accommodation of eye, 402. 

 Acids, 23, 24. 

 Adam's apple. 



Adaptation of digestive organs, 

 154. 



of limbs, 261. 



of skulls, 262. 

 Adenoids, 335. 

 Adipose tissue, 44. 

 Adulteration, 68. 

 Afferent nerves, 403. 

 Affinity, chemical, 13, 15. 

 Air, composition of, 20. 



expired, 324, 325. 



inspired, 324, 325. 

 Air breathers, 341. 

 Air sacs, 319. 

 Albumin, 241. 

 Albuminoids, 53, 241. 

 Alcohol: 



as a beverage, 82. 



as a drug, 82. 



as a food, 75, 76, 77, 79, 85, 

 86. 



as a fuel, 78. 



as a producer of heat and 

 energy, 78, 80, 81, 293. 



Alcohol — 



as a solvent, 84, 141. 



effect upon brain workers, 427. 



effect upon circulation, 210, 

 211. 



effect upon digestion, 130, 131. 



effect upon gastric juice, 130, 

 131. 



effect upon muscular activity, 

 284, 292. 



effect upon nerve control, 211. 



effect upon nervous system, 

 427. 



effect upon respiration, 338. 



effect upon saliva, 131. 



effect upon the heart, 211. 



effect upon the intestines, 131. 



effect upon the kidneys, 373. 



effect upon time reactions, 

 426. 



effect upon veins and arteries, 

 211. 



narcotic or stimulant, 426. 



percentage in beverages, 84. 



percentage in patent medi- 

 cines, 84. 



relation of study to physi- 

 ology, 75. 

 Alimentary canal, 52, 90. 



functions of, 93. 



in earthworm, 150. 



regions of, 92, 93. 

 Alkalies in saponification, 126. 

 Amoeba, circulation in, 212. 



digestion of, 146, 147. 



movement of, 298. 



study of, 33. 

 Amoeboid movement, 297, 298. 



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