8 TABLE OF CONTENTS 



CHAPTER XI 



PAGE 



THE EYE 149 



CHAPTER XII 

 THE HYGIENE OF THE NERVOUS SYSTEM 163 



CHAPTER XIII 

 THE ALIMENTARY CANAL DIGESTION 174 



CHAPTER XIV 

 SALIVARY AND GASTRIC DIGESTION 188 



CHAPTER XV 

 INTESTINAL DIGESTION ABSORPTION 202 



CHAPTER XVI 

 THE BLOOD 216 



CHAPTER XVII 



THE COURSE AND PHYSICS OF THE CIRCULATION 227 



CHAPTER XVIII 

 THE HEART 245 



CHAPTER XIX 



THE REGULATION OF THE CIRCULATION 260 



CHAPTER XX 

 BREATHING 276 



CHAPTER XXI 

 RESPIRATION (continued) 291 



CHAPTER XXII 

 METABOLISM . 303 



