CONTENTS. 



PART I. 



DIGESTION AND FOOD. 



Chap. Paga. 



1. Food supplies the Growth and the Changes of Particles of the 



Body. Digestive Apparatus. Mouth 9 



2. Saliva. Mastication. Pharynx. (Esophagus. Swallowing. 13 



3. Stomach. Gastric Juice. Digestion. Beaumont's Observations. 18 



4. Gastric Juice flows during Eating. Measure of Food to be eaten. 



Hunger 24 



5. Motions of Stomach. Heat during Digestion. Pyloric Valve. 29 



6. Time required for Digestion of various Kinds of Food 33 



7. Drink with Food impedes Digestion. Effect of Bulk on Diges- 



tion. Light and heavy Bread 36 



8. Chyme. Alimentary Canal. Lacteals. Chyle differs with Food. 39 



9. Man selects his Food. Healthy Digestion comfortable. Hun- 



ger needs the Attention of the Brain 4& 



10. Appetite affected by State of Mind Not identical with digestive 



Power orTaste 47 



11. Great Eaters. Hunger recurs when Blood wants more Chyle. 



Intervals between Meals. Regular Hours of Eating best 50 



12. Breakfast should be before Labor or Exposure. "Dinner. 



Lunch. Supper, injurious if late 65 



13. Quantity of Food should be larger for the Active and Laborious. . 60 



14. Quantity of Food determined by Wants of System and digestive 



Power. Measured thus when we eat slowly. Excessive Food 

 oppressive. Rapid Eating 64 



15. Appetite allowable, but not a Guide ; injurious if it governs Eating. 68 



16. Exercise before or after Eating impedes Digestion 74 



17. Cheerfulness at Meals. Consequences of Abuse of digestive 



Organs 78 



18. Animal and vegetable Food. Climate and Season should affect 



Diet 80 



19. Temperaments should affect Diet 83 



20. Food according to Difference of Constitution, Age, and Habit ... 87 



21. Digestibility and Nutritiousness of Food not identical. Condi- 



ments and Alcohol exhaust Sensibility of Stomach. No Rule 



of Diet for all 89 



PART II. 

 CIRCULATION OF THE BLOOD, AND NUTRITION. 



1. Apparatus of Circulation. Heart. Arteries 93 



2 Veins. Capillaries. Pulmonary Arteries and Veins. Double 



Circulation 100 



3. Power of Heart. Valves. Arteries. Quantity and Flow of 

 Blood varies with Circumstances, Exercise, States of Mind, and 

 Feelings 105 



