XIV TABLE OF CONTENTS 



PAGES 



terial, 155. Oxidation of food, 156. Heat and work, 156. 

 Food as building material, 157. Function of food, 157. 

 Plants and animals compared, 157. 



Chapter XI. Animal Food and Nutrition; Digestion and 



Absorption 159-189 



Animal food, 159. Definition, 159. Utilization of food, 

 160. Mastication, 161. Digestion, 162. Digestive region, 

 163. Digestion of carbohydrates, 163. Monosaccharoses, 

 final product of digestion, 164. Hydrolysis of di- and poly- 

 saccharoses, 164. The mouth, 165. Saliva, 165. Enzymes 

 of saliva, 166. Ptyalin and maltase, 166. Conditions of 

 salivary action, 167. Salts in saliva, 167. Organic com- 

 pounds in saliva, 168. Experiment Study XXVII ; Salivary 

 digestion, 168. The stomach, 169. The small intestine, 

 170. Pancreatic juice, amylopsin, 170. Intestinal juice, 

 170. Sucrase, maltase and lactase, 171. Digestion of pro- 

 teins, 171. The stomach, 172. Gastric juice, 172. Rennin, 

 173. Pepsin, 173. Hydrochloric acid, 173. Experiment 

 Study XXVIII; Gastric digestion, 174, The small intes- 

 tine, 175. Pancreatic juice, 176. Hormones, 176. Pan- 

 creatic rennin, 177. Trypsin, 177. Trypsinogen, 177. 

 Enterokinase, 177. Intestinal juice, 178. Erepsin, 178. 

 Digestion of fats, 179. Hydrolysis of fats, 179. The 

 stomach, gastric lipase, 180. The small intestine, pancreatic 

 lipase, 180. The bile, 181. The large intestine, 182. Ab- 

 sorption of food, 183. Absorption of carbohydrates, 183. 

 Absorption of proteins, 184, Absorption of fats, 185. Re- 

 sume of digestion and absorption, 186. Time for food pas- 

 sage, 188. 



Chapter XIL Animal Food and 'Nutrition ; Metabolism 190-208 



Metabolism, Anabolism, Katabolism, 190. Metabolism 

 of carbohydrates, 191. Direct metabolism, 191. Glycogen, 

 192. Conversion of glycogen into glucose, 192, Amount of 

 glycogen in the liver, 192. Oxidation of glucose, 193. 

 Muscle glycogen, 194. Conversion of carbohydrates into 

 fats, 195. Feeding experiments, 195. Respiratory quotient, 

 196. Metabolism of fats, 198. Body fat and milk fat, 199. 

 Conversion of fats into carbohydrates, 200. Metabolism of 

 proteins, 201. Amino-acids, 201. Polypeptide nucleus, 202. 

 Serum albumin, 202. Body protein, 203. Oxidation of pro- 

 tein, 203. Katabolism of protein, 204. Katabolic products. 



