REVIEW QUESTIONS. 147 



QUESTIONS FOR TOPICAL REVIEW. 



PAGE 



1. What is the object of respiration ? 123 



2. What are the special organs of respiration ? 123 



3. In what organ? do s a change in the blood take place ? 123 



4. What is the nature of the change ? 123, 133 



5. Where are the lungs situated, and what is the character of the sub- 



stance of which they are composed ? 123, 125 



6. Describe the facilities provided for the lung movements 124 



7. Describe the trachea, or windpipe. 124, 125, 127, 128 



8. Describe the bronchial tubes, and their uses 125, 126 



9. What can you state in relation to the epiglottis ' 1-26, 127 



10. What are the cilia and what use do they probably serve ? 128 



11. How may the lungs be affected by not being properly protected ? 128 



12. Describe the movements necessary to the act of perfect respiration. . . 128, 129 



13. What is the diaphragm, and what is its office? 128, 129 



14. How may the organs of respiration be so improved as to increase their 



capacity and power ? 129, 37 



15. What is stated in relation to the frequency of respiration ? 129, 130 



10. To what extent may the act of respiration be subjected to our wills ? 130 



17. What may be said to be the capacity of the lungs ? 130, 131 



18. How long does it take every particle of air in the lungs to be expelled and 



new air to take its place ? 130 



19. What would be the consequences, if the entire capacity of the lungs 



were constantly used ? 130, 131 



20. What would be the consequences to a fish put into water from which the 



air had been completely exhausted ? Why ? 131 



21. What is the air, and what are its parts ? 131, 136, 138 



22. What, is the character of the air that has been just breathed ? 132 



23. Why is it that such air is not fit for respiration ? 132, 139 



24. What are the effects, as recorded in notable cases, of confinement in places 



the air of which has been breathed " over an , over ?" 133 



25. What can you state of changes in the blood from respiration ? . 133 



26. What of the air, as an article of food ? 133, 134 



27. What, on the subject of interchange of gases in the lungs ? 134 



28. Explain the difference between arterial and venous blood 134, 135 



29. Explain, if you can, the cau-e of the difference 135 



30. State what you can in relation to blue blood 135 



31 . In relation to the amount of labor exerted in respiration 135, 136 



32. In relation to the deleterious properties of different gases 136, 137 



33. In relation to the dust that floats in the air 137, 138 



34. What are the properties of carbonic acid gas ? 132, 138, 141 



35. In what places is carbonic acid gas commonly found ? 132, 138, 139 



36. Describe the effects of carbonic acid gas 132, 128, 139, 141 



37. What are the general effects of breathing any impure atmosphere ? . . . . 139, 140 



38 What are Nature's provisions for purifying the air? 141, 142 



3f. What hints and directions are given on the subject, of ventilation ?. . . . 142, 143 



40. How does the temperature of the body compare with the medium in which 



it lives? 143 



41. How is temperature of the body regulated and sustained ? 143, 144, 145 



42. State what you can on the subject of spontaneous combustion 145, 146 



