SUMMARY.
1. If the pores of the skin are closed, a person will die.
2. We should bathe often enough to keep the skin clean.
3. We should not keep our rooms too warm, and should avoid wearing too much clothing.
4. Alcohol, tobacco, and other stimulants and narcotics injure the skin.
CHAPTER XVII.
THE KIDNEYS AND THEIR WORK.
1. The Kidneys.—The kidneys are among the most important organs of the body. They are in the cavity of the abdomen, near the back-bone, up under the lower border of the ribs. Perhaps you have seen the kidneys of a sheep or a hog. If you have, you know very nearly how the kidneys of our own bodies appear.