348 PERSONAL AND CIVIC HYGIENE 



disease germs ? Explain why great caution should be exerted in using 

 public wash basins, bedding, unclean hands, knives, forks, pencils, pipes, 

 etc. 



6. Should any form of life be permitted to reproduce its kind, if there 

 is any likelihood of either parent being diseased ? Explain. 



7. Show how a large percentage of blindness may be produced before 

 birth. 



8. Write a paragraph on the necessity of proper food, exercise, rest, 

 and recreation, especially with reference to heredity. 



Questions 



1. What is the purpose of food yolk in eggs ? 



2. Why does President D. S. Jordan say, t; Nature loves variety "? 



3. Upon what does the fine work of the horticulturist depend ? 



4. What has Mr. Burbank done for mankind ? 



5. What precautions are exerted by farmers in selecting seeds ? 



6. What is meant by heredity ? 



7. How may disease germs enter the body ? 



8. Why is the subject of heredity of so much importance ? 



9. Why are children's games that require contact of hands very dan- 

 gerous ? 



10. What is one of the most common causes of blindness ? 



11. Show how it is dangerous for one to handle the eyes, ears, nose, or 

 other sensitive organs of the body. 



12. What is likely to be the effect of the use of alcohol as a beverage 

 by parents on their children ? 



13. Tell of the great importance of controlling mind and body. 



14. What have good thoughts to do with good health ? 



15. Explain meaning of the following: " The great perpetual battle of 

 life is the warfare waged against self." 



Special Reports 



1. The everyday things one does to shorten life. 



2. Scientific living, or the prolongation of human life. 



3. Sleeping outdoors for health. 



4. The importance of good thoughts, food, and exercise. 



5. The occupation and rest cure. 



6. National vitality. 



7. The greatest social evil. 



8. Hygiene and morality. 



