17. In very hot weather, persons who use alcoholic drinks are more subject to sunstroke than those who do not.
18. Beefsteak soaked in alcohol becomes tough like leather. An egg placed in alcohol is hardened as though it had been boiled.
19. The effect of alcohol upon the brain, nerves, and other tissues of the body is much the same as upon the beefsteak and the egg.
QUESTIONS FOR REVIEW.
CHAPTER I. The House we Live in.—What is the body like? Does the body resemble anything else besides a house? How is it like a machine? Name the different parts of the body. What is anatomy? physiology? hygiene?
CHAPTER II. A General View of the Body.—What are the main parts of the body? Name the different parts of the head; of the trunk; of each arm; of each leg. What covers the body?
CHAPTER III. The Inside of the Body.—What is the name of the framework of the body? What is the skull? How is the back-bone formed? Name the two cavities of the trunk. What does the chest contain? the abdomen?
CHAPTER IV. Our Foods.—Of what are our bodies made? What are foods? Where do we get our foods? Name some animal foods; some vegetable foods. What are poisons?