41. Show that alcohol is a narcotic poison.
42. If alcohol is not a stimulant, how does it cause the heart to overwork?
43. Why is the skin of a drunkard always red and blotched?
44. What danger is there in occasionally using alcoholic drinks?
45. What is meant by a fatty degeneration of the heart?
46. What keeps the blood in circulation between the beats of the heart?
47. What is the office of the capillaries? (See note, p. 373.)
48. Does alcohol interfere with this function?
49. How does alcohol interfere with the regular office of the membranes?
50. How does it check the process of oxidation?