INDEX 



Abdominal breathing, 172 



Abdominal cavity. See Peritoneal 

 cavity 



Abdominal muscles, action of, in 

 breathing, 174 



Absorption from the intestine, 126 



Accommodation, in vision, for near 

 objects, 243 ; muscle of, 244 (fig.) 



Adipose tissue, 184, 222 



Adrenal glands, 64 



Adrenalin, action of, 64, 163 



Aerial blanket, 198 



Afferent impulses, 76 ff . ; reflex and 

 conscious effects of, 275 ff. 



Afferent neurones, 76, 78 



Air, stagnant, 198 



Air cell, 169 



Albuminoids, 94 



Alcohol, physiological action of, 

 295 ; as a stimulant, 296 ; in mus- 

 cular work, 299 ; as a defense 

 against cold, 300 ; as a food, 301 ; 

 pathological conditions due to, 

 301 ; influence on self-control, 

 303-304 



Alcoholic beverages, composition of, 

 292 



Alimentary canal, structure of, 20, 

 107, 118, 128 



Alimentation, 91, 98 



Alveolus of gland, 30, 31 (fig.), 32 

 (fig.) ; of lungs, 169, 170 (fig.) 



Amino-acids, 102 



Amoeba, amoeboid movement, 137 



Arnylopsin, 120 



Anesthetics, 280 



Animal foods, 97, 111 



Ankle, bones of, 19 



Anterior, definition of term, 9 



Aorta, 13, 22, 23 (fig.), 25, 145 



Apical lobes of lungs. See Lungs 



Appendicular skeleton, 18 



Aqueduct of Sylvius, 265 



Aqueous humor,, 243 



Arborization. See Synapse 



Arterial reservoir, 142 



Arterial tone, 161 

 Arteries, 21, 37, 148 (fig.) 

 Astigmatism, 249 

 Auditory nerve, 27, 256 

 Augmentor nerves of heart, 160 

 Auricle, 21, 23 (fig.), 140 

 Auriculo-ventricular valves, 141 

 Automatic nervous actions, 81 

 Axial skeleton, 14 

 Axon, or axis cylinder, 72, 75 



Bile, 121 



Bile duct, 108 (fig.) 



Bladder, urinary, 181, 182 (fig.) 



Blood, arterial and venous, 24, 166 ; 

 as a common carrier, 135 ; micro- 

 scopic structure of, 136 ; distribu- 

 tion among organs, 146 ; gases of, 

 166 



Blood corpuscles, red, 136-138 ; as 

 carriers of oxygen, 167 



Blood corpuscles, white, 136-137 



Blood plasma, 138 ; gases of, 166 



Blood vessels, 37. See also Arteries, 

 Capillaries, and Veins 



Body cavity, 10 



Bone, 36. See also Skeleton 



Brain, 27 ; the seat of sensations, 

 241 ; of frog, 264 ; of mammal, 

 265 ; histological structure of, 268 ; 

 functions of, 270 ff. 



Breastbone, 17 



Breathing movements, 171 ff. ; effect 

 on circulation, 148, 175 ; effect on 

 flow of lymph, 150, 175 ; hygiene 

 of, 174 



Breathlessness, 178 



Bronchiole, 170 (fig.) 



Bronchus, 12, 21, 169 



Bulb, 264 (fig.), 265, 267 (fig.); 

 functions of, 272 



Caffeine, 290 



Calorie, 216 



Canal, spinal, or vertebral, 17 



Capillaries, 24 (fig.), 27, 31 (fig.), 37 



309 



