XV111 CONTENTS 



CHAPTER LVI PAGE 



HUNGER, APPETITE AND THIRST 506 



Hunger, 506; Bemote Effects of Hunger Contractions, 509; Hunger During 

 Starvation, 510; Control of Hunger Mechanism, 5-11; Thirst, 514; Sensation 

 of Thirst, 514. 



CHAPTER LVII 

 BIOCHEMICAL PROCESSES OP DIGESTION 515 



Digestion in the Stomach, 515; .Functions of Hydrochloric Acid, 516; Amount 

 of Acid, 516; Source of Acid, 517; Action of Pepsin, 519; Clotting of Milk 

 in the Stomach, 521. 



CHAPTER LVIII 



BIOCHEMICAL PROCESSES OF DIGESTION (CONT'D) 523 



Digestion in the Intestines, 523; Pancreatic Digestion, 523; The Bile, 526; 

 Chemistry of Bile, 528. 



CHAPTER LIX 



BACTERIAL DIGESTION IN THE INTESTINE 533 



Bacterial Digestion of Protein, 535; Botulism, 537. 



PART VI 

 THE EXCRETION OF URINE 



CHAPTER LX 



THE EXCRETION OF URINE (By R. G. P'EARCE) 541 



Structure of Kidney, 541; Mechanism of the Excretion of Urine, 544; 

 Theories of Renal Function, 545; Diuretics, 552; Albuminuria, 552; Influence 

 of the Nervous System on the Excretion of Urine, 553. 



CHAPTER LXI 



THE AMOUNT AND COMPOSITION OF THE URINE IN HEALTH AND DISEASE (By R. G. 



PEARCE) 555 



Amount, 556; Specific Gravity, 556; Depression of Freezing Point, 557; 

 Reaction, 558; Solid Constituents, 560; Quantitative Changes in the Blood and 

 Urine in Disease, 567. 



PART VII 

 METABOLISM 



CHAPTER LXII 

 METABOLISM 570 



Energy Balance, 571; Methods for Measuring Energy, 572; Normal Values, 

 573; Standard for Comparison, 575; Influence of Age and Sex, 577; Influence 

 of Diseases, 578; Material Balance of the Body, 579; Methods for Measur- 

 ing Outputs, 579. 



