XV111 CONTENTS. 



i- \-.i; 



tion of the Medium-sized Arteries. The Blood-flow in the Cap- 

 illaries. The Veins. The Valves in the Veins. Effect of 

 Pressure on the Veins. Rate of Blood-How in the Arteries, Capil- 

 laries, and Veins. Nourishment of the Walls of the Heart and 

 Blood-tubes. Dissection of the Sympathetic Nervous System. 

 Control of the Heart and Blood-tubes by the Nervous System. 

 Effects of Alcohol on the Circulation. The Blood. The Coagu- 

 lation of Blood. The Lymph. The Spleen. Massage. 



CHAPTER V. 

 RESPIRATION 105 



The Organs of Respiration. The Movements of Respiration. 



Forces of Respiration. Capacity of the Lungs. Hygiene of 

 Breathing. Respiratory Sounds. The Control of Respiration. 

 The Chemistry of Respiration. The Production of Heat and Mo- 

 tion in the Body. The Two Breaths. Heating and Ventilation. 



Breathing through the Mouth. Dead Dust. Live Dust. - 

 Bacteria. 



CHAPTER VI. 

 EXCRETION ,.."... 151 



The Skin and its Functions. The Structure of the Skin. 

 The Sweat Glands. Composition and Amount of Sweat. Regu- 

 lation of the Temperature of the Body by the Skin. Distribution 

 of Heat in the Body. Regulation of the Production of Heat in the 

 Body. Regulation of Bodily Heat by Food and Clothing. Sun- 

 shine. The Kidneys. Dissection of the Kidney. Microscopic 

 Structure of the Kidney. 



CHAPTER VII. 

 DIGESTION 1G7 



Foods and Foodstuffs. The Proteids. Proteid-containing 

 Foods. Cheese. Fats. The Carbohydrates and Carbohydrate- 

 containing Foods. Salts. Necessity of a Mixed Diet. Tea and 

 Coffee. Alcohol. Tobacco. The Digestive System. Organs 

 of the Abdominal Cavity. The Organs of Digestion. The 

 Teeth. The Kinds of Teeth and their Arrangement. The Care 

 of the Teeth. Dissection of the Head of the Rabbit. Experi- 

 ments with the Digestive Liquids. The Bad Effects of Imperfect 

 Mastication. The Process of Swallowing. The Stomach. The 

 Intestine. Absorption. The Lacteals and Lymphatics. Con- 

 stipation. Hygiene of Digestion. A Good Dinner. Taking 

 Cold. Bathing. Exercise. Forms of Exercise. Boxing. 



