CONTENTS. ix 



CHAPTER VIII. 



PAGE 



EXCRETION 130 



The Skin throws off Perspiration. The Structure of the Skin. The 

 Epidermis. Color of the Skin. The Dermis. Sweat Glands. Es- 

 sentials of a Gland. Blood Supply of Glands. Oil Glands. 

 Composition of Sweat. Amount of Perspiration. Functions of the 

 Skin. Regulation of Bodily Temperature by the Skin. Distribu- 

 tion of Heat in the Body. Regulation of Bodily Temperature by 

 Food and Clothing. The Kidneys. Work of the Kidneys. Rela- 

 tion of the Skin and Kidneys. 



CHAPTER IX. 



Foons AND COOKING 144 



Necessity of Food. Food Defined. Foodstuffs. Proteids. Impor- 

 tance of Proteids. Meat. Fish. Eggs. Milk. Cheese. Vege- 

 table Proteids. Carbohydrates. Grains. Wheat. Corn. Rice. 

 Oats. Potatoes. Vegetables. Fruits. Water. Impurities in 

 Water. Typhoid Fever. Ice-water. Boiling Water. Salts. 

 Necessity of a Mixed Diet. Effects of Cold on Appetite for Fats. 

 Vegetarians. Tea. Coffee. Beef Tea. Cooking. Soups. 



CHAPTER X. 

 THE DIGESTIVE SYSTEM 159 



The Object of Food. The Digestive Tube. Organs of Digestion. 

 The Mouth. The Teeth Kinds, Structure, Arrangement. Care 

 of the Teeth. Salivary Glands. Action of Salivary Glands. Saliva 

 and its Uses. Mucus and Mucous Glands. The Pharynx. Swal- 

 lowing. The Gullet. The Structure of the Stomach. Gastric 

 Glands. Blood Supply of the Stomach. Stomach Digestion. 

 Churning Action of the Stomach. Time of Stomach Digestion. 

 Chyme. Absorption from the Stomach. The Intestine. The 

 Liver. The Pancreas. Bile. Pancreatic Juice. The Portal Circu- 

 lation. Functions of the Bile. Work of the Pancreatic Juice. 

 Intestinal Juice. 



CHAPTER XL 



ABSORPTION DIGESTION COMPLETED 181 



Absorption. Villi. Routes of Different Foods after Absorption. Dif- 

 fusion and Osmosis. Absorption a Vital Process. The Lacteals 

 and the Lymphatics. Outline of Digestion. The Colon. Work 

 of the Large Intestine. Constipation. Laxative and Constipating 



