CONTENTS 



CHAPTER V 



PAGE 



RESPIRATION 40 



Review The Air Passages The Nose The Pharynx and 

 Larynx The Trachea and Bronchial Tubes The Lungs 

 Covering of the Lungs How Air gets into the Lungs Capacity 

 of the Lungs How Air gets into the Blood Changes in the 

 Air Rate of Breathing Summary of the Main Points. 



CHAPTER VI 



HYGIENE OF RESPIRATION 59 



Disease Germs in the Air Diseases of the Air Passages 

 Sources of Impure Air The Air purified Ventilation 

 Method of Ventilation Chest Freedom Proper Breathing 

 Alcohol Summary of the Main Points. 



CHAPTER VII 



DIGESTION 72 



Review The Alimentary Canal Glands The Mouth 

 The Teeth Structure of the Teeth Mouth Digestion 

 Swallowing Stomach Digestion Intestinal Digestion 

 Places of Digestion Peristalsis Summary of the Main Points. 



CHAPTER VIII 



FROM THE ALIMENTARY CANAL TO THE HEART .... 96 



Review Absorption Absorption of Fats The Other 

 Foods The Liver Foods in the Right Heart The Large 

 Intestine Summary of the Main Points. 



CHAPTER IX 



HYGIENE OF DIGESTION AND ABSORPTION 105 



Pure Foods Adulterated Foods Cooking Care of Teeth 



The Appetite Hygiene of Eating Dress and Digestion 



Diseases of the Alimentary Canal Alcohol and Digestion 

 The Large Intestine Summary of the Main Points. 



