8. What is the best kind of strength to have?

9. How does alcohol affect the strength of the mind?


CHAPTER XIV.

THE HEART.

HE heart is in the chest, the upper part of the strong box which the ribs, spine, shoulder-blades, and collar-bones make for each of us.

It is made of very thick, strong muscles, as you can see by looking at a beef's heart, which is much like a man's, but larger.

HOW THE HEART WORKS.