vi CONTENTS 



PAGE 



CHAPTER VIII Fooi> AND DIGESTION; Food and Food Principles, 

 The Process of Digestion, Digestion in the Mouth, Deglutition, Ner- 

 vous Mechanism of Deglutition, Digestion in the Stomach, Move- 

 ments of the Stomach, Digestion in the Intestines, Movements of 

 the Intestines, Laboratory Experiments in Digestion, Saliva and Sali- 

 vary Digestion, Gastric Juice and Gastric Digestion, Pancreatic Juice 

 and Pancreatic Digestion, . -297 



CHAPTER IX ABSORPTION; Absorption in the Stomach, Absorption in 



the Intestines, Absorption from the Skin, the Lungs, etc., . . .361 



CHAPTER X EXCRETION; Structure and Function of the Kidneys, 

 General Structure, The Urine, The Method of Excretion of Urine, 

 The Discharge of the Urine, The Structure and Excretory Func- 

 tions of the Skin, Laboratory Experiments in Excretion, . . -371 



CHAPTER XI METABOLISM, NUTRITION, AND DIET; Metabolism of 

 Proteids, The Metabolism of Fats, The Metabolism of Carbohy- 

 drates, Requisites of a Normal Diet, The Influence of the Ductless 

 Glands on Metabolism, ......... 405 



CHAPTER XII ANIMAL HEAT; Heat-producing Organs, Variation in 

 the Loss of Heat, Variation in the Production of Heat, Influence of 

 the Nervous System on Heat Production, 433 



CHAPTER XIII MUSCLE-NERVE PHYSIOLOGY; Chemical Composi- 

 tion of Muscle, The Properties of Living Muscle, Single Muscle Con- 

 tractions, Conditions which Affect the Irritability of the Muscle and 

 the Character of the Contraction, Tetanic and Voluntary Muscular 

 Contractions, The Type of Contraction in Involuntary Muscle and in 

 Cilia, The Function of Nerve Fiber, Some Special Coordinated Motor 

 Activities, Locomotion, The Production of the Voice, Laboratory 

 Experiments on Muscle and Nerves, . . 440 



CHAPTER XIV THE NERVOUS SYSTEM; I. Function of the Nerve 

 Cell. II. The Structure and Function of the Spinal Cord, The Ar- 

 rangement of Nerve Cells in the Spinal Cord, Columns and Tracts in 

 the White Matter of the Spinal Cord, The Reflex Arc and Reflex 

 Action, Spinal Reflexes in Man and Mammals. III. The Brain 

 Stem, The Medulla Oblongata or Bulb, The Pons Varolii, The Mid- 

 brain, The Optic Thalami, The Cranial Nerves. IV. The Cere- 

 bellum. V. The Cerebrum, Structure of the Cerebral Cortex, Gen- 

 eral Functions of the Cerebrum, Localization of the Motor Function 

 of the Cerebral Cortex, Localization of Sensory Function in the Cere- 

 bral Cortex, Association Centers of the Cerebral Cortex, The Physiol- 

 ogy of Sleep. VI. The Sympathetic System, . .... 503 



