HELPS IN LESSON PREPARATION 329 



truth of this statement ? 11. What is the danger of hav- 

 ing the air of a room too dry and how may this be pre- 

 vented? 12. Tell why we should be just as particular 

 about the air we breathe as about the food we eat. 



CHAPTER XVI 



1. Describe the thorax or chest. Draw a picture of it. 

 2. What strong muscle forms the base of the thorax or 

 chest, and what does this muscle separate? Describe the 

 diaphragm. 3. What is cartilage? 4. What and where 

 are the intercostal muscles? 5. Describe "high chest" 

 breathing; "costal" breathing; "diaphragmatic" breath- 

 ing. 6. What is the bes method of breathing? 7. How 

 may we tell whether or not we are employing rhythmic 

 deep breathing? How does such breathing aid digestion? 

 8. Give the meaning of alternate, effort, prevents, assistance, 

 page 147. 9. State two of the principal causes of get- 

 ting out of correct breathing habits. 10. Why is the 

 deep breathing habit one of the most important lessons 

 for all to learn? 11. What is one of the very best aids 

 to health and vigor? 12. Give the meaning of function, 

 sedentary, vigorous, universal, testimony, incipient, tuber- 

 culosis, page 149. 13. Tell what Dr. Pryor says about 

 breathing. 14. What was the almost universal testi- 

 mony of patients at he New York State Hospital for 

 Incipient Tuberculosis? 15. For what were the long, 

 narrow passages of the nose designed ? 16. State two im- 

 portant uses of the secretion of the nose passages. 17. Tell 

 why it is not just as well to breathe through the mouth. 

 18. Give the meaning of resistance, page 152. 19. How 

 does nose breathing benefit the chest ? Give the meaning 

 of obstructive, page 152. 20. Tell what is said about 

 adenoids. 21. What effect may the stoppage of the nose 

 passages have on hearing? On one's appearance? How 



