The book Health Lessons was written by author Davison, Alvin, 1868-1915 Here you can read free online of Health Lessons book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Health Lessons a good or bad book?
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2. Name the parts of the food tube. 3. Where does saliva come from ? 4. Explain how the food is acted on in the mouth, 5. Why should food be well chewed ? 6. What forms the gastric juice ? 7. Of what use is the gastric juice ? 8. How long does food stay in the stomach ? 9. Name some foods easily digested. 10. What does the intestine do ? 11. What are villi ? 12. Tell how the food gets into the blood. 13. Of what use is the liver ? 14. Why should we not eat too much ? 15. Should we eat between m...eals ? 16. Give three reasons why you should not use tobacco. CHAPTER VIII THE CARE OF THE MOUTH Sickness often begins in the Mouth . A clean mouth and sound teeth have much to do in keeping one well. The germs which cause nearly a half million deaths in the United States every year enter the body through the mouth. If the mouth is un- clean, only one or two disease germs entering it may remain there and grow. It is just as important to wash the mouth two or three times each day as it is to wash the hands and face.
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