I must not poison my brain with alcohol or tobacco.

[3] NOTE.—A fuller description of the Nerves of the Brain: Twelve pairs of nerves pass from the base of the brain; the first pair, called the nerves of smell, to my nose; the second pair, called the nerves of sight, to my eyes; the third, fourth, and sixth pairs to the muscles of my eyes; the fifth pair to my forehead, eyes, nose, ears, tongue, teeth, and different parts of my face; the seventh pair to different parts of my face; the eighth pair, called the nerves of hearing, to the inner part of my ear; the ninth pair to my mouth, tongue, and throat; the twelfth pair to my tongue; the eleventh pair to my neck; the tenth pair to my neck, throat, lungs, stomach, and different parts of my body.


QUESTIONS ON THE FORMULA.

1. Describe the brain.

2. Where is the brain placed?

3. Describe the outer membrane of the brain.

4. Describe the middle membrane of the brain.

5. Describe the inner membrane of the brain.

6. Tell about the nerves.