poisons?--"The bones of those who _do not_ use alcoholic liquors."

What other poison hurts the bones?--"Tobacco."

How do alcohol and tobacco hurt the bones?--"They make bad blood, and bad
blood makes poor bones."

* * * * *

[Illustration: FRONT VIEW OF THE MUSCLES OF THE BODY.]

* * * * *

PART VI.

FORMULA FOR THE LESSON ON THE MUSCLES.

1. Muscles are the red, elastic bands and bundles of thread like substance,
called flesh, which cover the bones and make the eyeballs, the eyelids, the
tongue, the heart, the lungs, and various other parts of the body.

2. There are about four hundred and fifty muscles in my body.

3. The work of the muscles is to support and move my bones, and different
parts of the body.

4. The muscles may be named the muscles of my head, the muscles of my
trunk, the muscles of my limbs.

5. The muscles of my head cover and move the parts of my head and face. The