CONTENTS. IX 



PAGE 



FOOD AND DIGESTION (Continued). 



The Stomach . .354 



The Gastric Juice, 358 



Vomiting, . 369 



The Intestines, . . , x . 370 



The Pancreas. ',./.' . . .;,... . . . . . . .379 



The Liver, . 385 



The Intestinal Secretion, . . '_._ ,y . ;;/*. 398 



Digestion in the Small Intestine, . . , j v 398 



Digestion in the Large Intestine, . . 400 



Micro-organisms in the Intestine, . . . . . . . ^ . .401 



Movements of the Intestines, -.-'.--.. . . . . . 403 



The Faeces, ... . . . . . . . ' ; . .405 



Gases of the Alimentary Canal, . . ..' ; : .-"''. . . 406 



CHAPTER X. 



ABSORPTION, . . ' . ... . . . . 408 



Methods, . ... . . . . . . . ~_~ * . . 408 



The Lymphatic System, . .-' . . . . . , . .412 



The Lymph Flow, . . . . . . . . .' .^^ . 416 



The Lymph and Chyle, . . . . .'' . . . . .421 



Channels of Absorption, . . . . . . . . 422 



Where Absorption May Take Place, . .... . . . 424 



CHAPTER XL 



METABOLISM, NUTRITION, AND DIET, . . . - 427 



Requisites of Normal Diet, . . , f 441 



Variations in Diet Tables, . . . . . . ' . . .444 



Income and Output of Energy, . . .* . . - . . . . 444 



CHAPTER XII. 



ANIMAL HEAT, . . . . . '. . . . v . . . . 449 



Production of Heat, . ... .... . . .451 



Regulation of Body Temperature, 1 . ' . '.''"; . . . . 453 



CHAPTER XIII. 



EXCRETION, . . . . '. . 460 



The Kidneys, . . . . .' 460 



The Urine, . < . . . - 469 



Method of Excretion of the Urine, . . . . . . . . 482 



The Passage of Urine into the Bladder, 488 



The Skin, 489 



Functions of the Skin, 496 



CHAPTER XIV. 



MUSCLE-NERVE PHYSIOLOGY, 500 



Chemical Composition of Muscle, 500 



Muscle at Rest, .502 



