176 THE CIRCULATION 



PAGE 



10. What wisdom is there in the law of the blood's coagulation? 148, 149 



11. How is this wisdom made manifest ? 149 



12. In what cases is the aid of the surgeon required ? 149 



13. What are the two great uses of the blood ? 149, 150 



14. Through what mediums is the blood provided with new material and 



relieved of the old material ? 150 



15. What do you understand by the operation called transfusion ? 150 



16. What cases of transfusion are reported of the lower animals ? 150 



17. What can you state of transfusion as practised upon man ? 150, 151 



18. What further can you say on the subject ? 151 



19. What changes take place in the color of the blood in its journey 



through the system ? 151 



20. State all you can in relation to the circulation of the blood 152 



21. All, in relation to the size, shape, and location of the heart 153, 154 



22. How is the loss of power in the heart-movements obviated ? 154 



23. Give a description of the formation of the heart 154 



24. What can you state of the ventricles and auricles of the heart?. . . . 154 



25. Describe the action of the heart 155 



26. What special vitality does the tissue of the heart possess ? 156 



27. State all you can on the subject 15(i 



28. Describe the course of the blood through the cavities of the heart. 156, 157 



29. Describe the mechanism that regulates the heart-currents 157 



30. How do you account for the two heart-sounds at the front of the 



chest? 157 



31. State what you can of the frequency of the heart's action 157, 158 



32. Of the activity of the heart 159, 160 



33. What do you understand by the arteries ? 160, 161 



34. State what you can of the arteries and the arterial system 1(51 



35. What do you understand by the pulse ? 161, 162 



36. In what part of the body may the pulse be felt ? 162 



37. What further can you state of the pulse ? 162 



38. What are the veins ? 163 



39. Where do they exist, and how are they formed ? 163 



40. Describe the valves of the veins and their uses 163, 164 



41. Now give a full description of the construction of the veins 163, 164 



42. What further can you state of the veins ? 164 



43. What do you understand by the capillaries ? 164 



44. What service do the capillaries perform ? 165, 1(>6 



45. What can you state of the rapidity of the blood's circulation ? 167, 168 



46. Of the process known as assimilation ? 168 



47. Of injuries to the blood-vessels ? 169 



48. What is the effect of alcohol upon the heart ? 169, 170 



49. What is said of alcohol as a fat-producer ? 170 



