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1. 1Running the Human Automobile
2. 4Why We Have a Stomach
   4What Keeps Us Alive
   7The Digestive System
   9The Journey down the Food Tube
3. 21The Food-Fuel of the Body-Engine
   21What Kind of Food should We Eat?
   25The Three Great Classes of Food-Fuel
4. 27The Coal Foods
   27Proteins, or "Meats"
5. 40The Coal Foods (Continued)
   40Starches
   48Sugars
6. 51The Coal Foods (Continued)
   51Animal Fats
   55Nuts
7. 56Kindling and Paper Foods—Fruits and Vegetables
8. 62Cooking
9. 69Our Drink
   69Filling the Boiler of the Body-Engine
   72Where our Drinking Water Comes from
   75Causes and Dangers of Polluted Water
   81Methods of Obtaining Pure Water
   87Home Methods of Purifying Water
10. 89Beverages, Alcohol, and Tobacco
    93Alcohol
    103Tobacco
11. 108The Heart-Pump and its Pipe-Line System
    108The Blood Vessels
    115The Heart
12. 120The Care of the Heart-Pump and its Pipe Lines
13. 130How and why We Breathe
14. 139How to Keep the Lung-Bellows in Good Condition
    139The Need of Pure Air
    152Colds, Consumption, and Pneumonia
    156How to Conquer Consumption
    165Pneumonia
15. 167The Skin
    167Our Wonderful Coat
    170The Glands in the Skin
    172The Nails
    174The Blood-Mesh of the Skin
    177The Nerves in the Skin
16. 179How to Keep the Skin Healthy
    179Clothing
    184Baths and Bathing
    188Care of the Nails
    189Diseases and Disturbances of the Skin
17. 196The Plumbing and Sewering of the Body
18. 202The Muscles
19. 210The Stiffening Rods of the Body-Machine
20. 216Our Telephone Exchange and its Cables
21. 228The Hygiene of Bones, Nerves, and Muscles
    228How to Get and Keep a Good Figure
    230Our Feet
    232Sleep and Rest
    233Disorders of Muscles and Bones
    235Troubles of the Nervous System
22. 241Exercise and Growth
23. 252The Lookout Department
    253The Nose
    257The Tongue
    259The Eye
    266The Ear
    269Our Spirit-Levels
24. 271The Speech Organs
25. 277The Teeth, the Ivory Keepers of the Gate
26. 286Infections, and how to Avoid Them
27. 314Accidents and Emergencies
    331Questions and Exercises
    343Glossary and Index