HELPS IN LESSON PREPARATION 331 



or chest. 13. By what may we usually estimate our 

 power to play and to work? 14. Why is it a good plan 

 to breathe out all the air we can immediately after leav- 

 ing a crowded car or room ? 15. Who have the greatest 

 need for practicing breathing exercises? 16. Tell about 

 President Roosevelt's health in boyhood. 17. How did 

 he make himself strong and vigorous? How has he in his 

 years of responsibility kept in the physical condition that 

 enables him to do such a large amount of mental work? 

 18. Who was Sir Walter Scott? Tell about the benefits 

 of out-of-door life and exercise for him. 19. Mention 

 ways we may help ourselves to gain such benefits. 20. Why 

 should every person keep up some active physical exercise? 

 21. Relate what Madame Melba says about correct breath- 

 ing. 22. What is her idea about the proper temperature 

 of a room? 23. Tell what she means by saying a singer 

 should become a "hardy plant." 



CHAPTER XVIII 



1. Why is it thought that using tobacco is naturally 

 poisonous to the human body? 2. Tell what is meant 

 by a "Tobacco Heart" and how smokers sometimes discover 

 they have that difficulty. 3. Give the meaning of chest 

 girth, progress, page 178; of accurate, physical development, 

 irregularly, page 179. 4. In Professor Seaver's experi- 

 ment, how much older on the average were the smokers 

 who entered Yale than the non-smokers? Compare the 

 development of the smokers and non-smokers during their 

 college course. 5. What is said about the ability both 

 showed in mental work? 6. Give the meaning of stunts 

 growth, listless, pallor, page 180. 7. What effect does 

 the use of tobacco have on the growth of children's bodies? 

 What effect on their wills? 8. Give antonyms of 

 offensive and ill-smelling, page 181, 9. Give the four 



