X CONTENTS. 



CHAPTER VIII. 



(Lesson 15.) 



PAGE 



The Vascular System : the Blood ........ 95 



CHAPTER IX. 



(Lesson 16.) 



The Vascular System continued : Heart ; Arteries ; Veins ; Capillaries . 103 



CHAPTER X. 



(Lessons 17 and 18) 



The Vascular System continued : Arterial Distribution ; Venous Return . 115 



CHAPTER XI. 



(Lesson 19.) 

 The Vascular System continued : the General Circulation ; the Pulse and 



Arterial Pressure ; Variations in the Capillary Circulation . . . 131 



CHAPTER XII. 



(Lessons 20 and 21.) 

 The Vascular System concluded : Lymphatic Vessels and Lymph ; 



Lymphatic Glands and Bodies of Allied Structure .... 141 



CHAPTER XIII. 



(Lessons 22 and 23.) 

 The Respiratory Apparatus : Larynx ; Trachea ; Lungs ; Respiration ; 

 Effects of Respiration upon the Air within the Lungs ; upon the Air 

 outside the Body ; upon the Blood ; Modified Respiratory Movements 151 



CHAPTER XIV. 



(Lessons 24 and 25.) 

 Alimentation : Section 1. Preliminary Remarks on Secreting Glands and 

 Mucous Membranes. Section 2. Food ; Food Principles ; Proteids, 

 Fats, Carbo-hydrates, Water, Saline and Mineral Matters ; Chemical 

 Composition of the Body ; Average Composition of Milk, Bread, and 

 Meat ; Concluding Remarks 164 



CHAPTER XV. 



(Lessons 26 and 27.) 

 Alimentation continued : the Digestive Apparatus ; Alimentary Canal ; 



Accessory Organs 175 



CHAPTER XVL 



(Lessons 28 and 29.) 

 Alimentation concluded : Digestion ; Changes the Food undergoes in the 

 Mouth, Stomach, Small and Large Intestines ; Summary of Digestion ; 

 Absorption 191 



