INDEX 



611 



Elbow joint, 232. 



Elements, chemical, 12, 13, 



28. 

 Emulsion, 127. 

 Enamel (tooth), 97. 

 Endoplasm, 34. 

 Endoskeleton, 221. 

 Energy, conservation of, 62. 



definition of, 60. 



kinetic, 62. 



muscular, 282, 283. 



potential, 61. 



sources of, 59, 61. 



transformation of, 61. 

 Enzymes, defined, 102. 



in muscle, 276. 

 Epidermis, 353, 354. 



absence of blood in, 305. 



ceUs of, 354. 



nerves of, 355. 

 Epiglottis, 108, 315, 487. 

 Epithelial tissue, 39, 40. 

 Erythroblasts, 168. 

 Esophagus, action of, 109. 



structure of, 108. 

 Ethmoid bone, 234. 

 Eustachian tube, 107, 471, 472. 

 Evolution, 38, 21,9. 

 Excretion, 352-373. 



in lower animals, 374-382. 

 Exercise, forms of, 286. 



relation to muscles, 285, 286. 



relation to breathing, 329. 

 Exhaling, 319, 322, 323, 324. 

 Exoskeleton, 221. 

 Extractives, alcoholic, 84. 

 Eye, 452-469. 



diseases, 469. 



functions of, 458. 



hygiene of, 467. 



muscles of, 454. 



position of, 452. 



structure of, 452-455. 

 Eyeballs, 452-455. 

 Eyesockets, bones of, 235. 

 Eyelids, 453. 



F. 



Face bones, 233-235. 

 Facial nerve, 389. 

 Fffices, 129, 144. 

 Fangs (tooth), 97. 

 Far sight, 468. 

 Fatigue muscle, 285. 

 Fatigue, nerve, 423. 



retinal, 466. 



smell, 450. 

 Fats, 26, 27, 60. 



absorption of, 140. 



digestion of, 126, 127. 



emulsification of, 127. 



forms of, 55. 



in bones, 241. 



in muscle, 276. 



saponification of, 126. 



tests for, 55. 

 Fatty acids, 126. 

 Feathers a form of skin, 377. 

 Fehling's solution, 54, 55. 

 Femur, 232. 

 Fenestra ovalis, 474. 



rotunda, 471. 

 Fermentation, 82, 83, 102. 

 Fermented drinks, 83. 

 Ferments, 102. 

 Fibers, muscle, 302, 303. 



nerve, 402, 404. 

 Fibrus and fibrinogen, 26, 162. 

 Fibula, 232. 

 Filiform papillae, 445. 

 Filtration, 139. 

 Fingers, bones of, 233. 

 Fissures of brain, 393. 

 Fish, bones of, 257. 



circulation of, 215. 



digestion of, 152. 



gills of, 215, 348. 



heart of, 215. 



respiration of, 348. 

 Flagella, 301. 

 Flavors, 73. 

 Flat bones, 239. 



