10 CONTENTS 



CHAPTER IV 



Page 



The Digestive System . . 67 



The Alimentary Canal . . 67 



The Organs of Digestion 69 



Movements of the Digestive Organs 85 



The Physiology of Secretion .... 88 



The Physiology of Digestion . 90 



The Physiology of Absorption 102 



The Physiology of Nutrition . . 107 



The Ductless Glands and Their Functions. 110 



CHAPTER V 



The Respiratory System ... . .113 



The Organs of Respiration . 113 



The Physiology of Respiration . . 116 



CHAPTER VI 



The Circulatory System . ... 126 



The Organs of Circulation . , 126 



The Physiology of Circulation . 131 



The Properties of the Blood and Lymph 135 



CHAPTER VII 



The Urogenital System. . . . 139 



The Urinary Organs . .139 



The Physiology of Urine Secretion . , 142 



The Physiology of Urination . . 144 



The Reproductive Organs of the Male 144 



The Reproductive Organs of the Female 147 



The Physiology of Reproduction ... 150 



CHAPTER VIII 



The Nervous System ... . _ 162 



The Structure of Nervous Tissue . 162 



The Organs of the Nervous System . .... 163 



The Physiology of the Nervous System 167 



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