CONTENTS. Vll 



PAGE 



FOOD AND DIET continued. 



Effects of Cooking, ....... 213 



Effects of an Insufficient Diet, . . . . . .214 



Starvation, . i ...... 315 



Effects of Improper Food, ....... 216 



Effects of too much Food, ...... 217 



Diet Scale, ......... 218 



CHAPTER VII. 

 DIGESTION, . . . . . . . . ' . .220 



PASSAGE OF FOOD THROUGH THE ALIMENTARY CANAL, . . . 220 



Mastication, . . . . . . . . .220 



The Teeth, . . . . . . . .221 



Insalivation, . . . . . . . . .231 



The Salivary Glands and the Saliva, ..... 231 



Structure of the Salivary Glands, . . . . . .231 



The Saliva, ......... 233 



Influence of the Nervous System on the Secretion of Saliva, . . 237 



The Pharynx, ........ 241 



The Tonsils, ......... 241 



The (Esophagus or Gullet, ....... 242 



Swallowing or Deglutition, ....... 244 



DIGESTION OF FOOD IN THE STOMACH, ..... 245 



Structure of the Stomach, . . . . . . .246 



Gastric Glands, ........ 248 



The Gastric Juice, ........ 250 



Functions of the Gastric Juice, ...... 252 



Movements of the Stomach, ....... 255 



Influence of the Nervous System on Gastric Digestion, . . , 256 



Digestion of the Stomach after Death, ..... 257 



Vomiting, ......... 258 



DIGESTION IN THE INTESTINES, . . . . . . . 260 



Structure of the Small Intestine, ...... 260 



Structure of the. Large Intestine, . . . . . .265 



The Pancreas and its Secretion, ...... 270 



Structure and Functions of the Liver, ...... 274 



The Bile, ......... 279 



The Liver as a Blood-elaborating Organ, ..... 286 



Succus Entericus, ........ 289 



Summary of the Changes which take place in the Food during its Passage 



through the Small Intestine, ...... 290 



Summary of the Process of Digestion in the Large Intestine, . . 292 



Movements of the Intestines, ...... 293 



Influence of the Nervous System on Intestinal Digestion, . . . 294 



Defalcation, .....'.... 295 



Gases contained in the Stomach and Intestines, .... 296 



