REFERENCE BOOKS 



239 



artery. Does the pulse 

 stop when the tourniquet is 

 applied? Explain reason. 

 Conclusion. 1. How 

 would you go to work to 

 make a tourniquet ? De- 

 scribe fully. 



2. Where must a tourni- 

 quet be placed when an 

 artery is cut? Where 

 when a vein is severed? 



3. What is the use of 

 the tourniquet? 



PROBLEM QUESTIONS 



1. What proof have we that the blood contains nutrients? 



2. Is the blood a tissue? Give reasons. 



3. What effect has oxygen upon the blood? What causes 

 this? 



4. Why is the heart a force pump? 



5. Why is the heart said to be double? 



6. Why does the blood circulate? 



7. What are the chief differences between veins, arteries, and 

 capillaries ? 



8. What factors may cause differences in the rate of heartbeat? 



9. Explain what we mean by the second wind. 



10. Explain why a man becomes winded in a hard race. 



11. What factors might injure the heart? Give reasons. 



REFERENCE BOOKS 



Hunter, Civic Biology, Chap. XXI. American Book Company. 



Hunter, Elements of Biology, Chaps. XXIX, XXX. American Book Company. 



Hunter, Essentials of Biology, Chap. XXVI. American Book Company. 



Hough and Sedgwick, Elements of Physiology. Ginn and Company. 



Starlings, Human Physiology. Lea and Febiger. 



Stewart, Manual of Physiology. William Wood and Company. 



