Vlll CONTENTS. 



Page 

 CHAPTER VI. 



DIGESTION: IN THE STOMACH. 



Mechanism of Secretion of Gastric Juice The Active Constituents 

 of Gastric Juice The Movements of the Stomach The Open- 

 ing of the Pyloric Sphincter Rate of Discharge of Food from 

 the Stomach '. 60 



CHAPTER VII. 

 DIGESTION: IN THE INTESTINE. 



Secretion of Bile and Pancreatic Juice Functions and Composi- 

 tion of Pancreatic Juice and Bile Chemical Changes Produced 

 by Intestinal Digestion Bacterial Digestion in the Intestine 

 Products of Bacterial Digestion Protection of Mucous Mem- 

 brane of Intestine Against Autodigestion Movements of the 

 Intestines The Absorption of Food Resume of Actions of 

 Digestive Enzymes 71 



CHAPTER VIII. 

 METABOLISM: ENERGY BALANCE. 



Introductory General and Special Metabolism Energy Balance 

 Caloric Value of Foods Basal Heat Production Influence of 

 Food, Muscular Work, Atmosphere, and Size of Body 83 



CHAPTER IX. 

 METABOLISM: THE MATERIAL BALANCE OF THE BODY. 



Starvation-Nitrogen Balance Protein Sparers The Irreducible 

 Protein Minimum Varying Nutritive Values of Different 

 Proteins 91 



CHAPTER X. 

 THE SCIENCE OF DIETETICS. 



The Proper Amount of Nitrogen Chittenden's Experiments The 

 Most Suitable Diet for Efficiency Chemical Composition, of 

 the Common Foodstuffs 99 



