nds of nerves?--"Nerves of motion and
nerves of feeling."

Which is the largest nerve in the body?--"The spinal cord."

Where is the spinal cord?--"It extends from the brain throughout the whole
length of the backbone."

How may you describe the spinal cord?--"It is a bundle of nerves, etc." See
Formula.

Where are the spinal nerves?--"They pass from the spinal cord to different
parts of the trunk and limbs."

How many pairs of nerves pass from the base of the brain?--"Twelve."

Where do the first pair go?--"To the nose."

What are they called?--"The nerves of smell."

Where do the second pair go?--"To the eyes."

What are the second pair called?--"The nerves of sight."

Which move the muscles of the eyes?--"The third, fourth, and sixth pairs."

Where do the fifth pair go?--"To the forehead, eyes, nose, ears, tongue,
teeth, and different parts of the face."

The seventh pair?--"To the different parts of the face."

The eighth pair?--"To the inner ear."

What are the eighth pair called?--"The nerves of hearing."

Where do the ninth pair go?--"To the mouth, tongue, and throat."

Where do the twelfth pair go?--"To the tongue."

Where do the eleventh pair go?--"To the neck."

Where do the tenth pair go?--"To the neck, throat, lungs, stomach, and
different parts of the body."

What happens if a nerve be destroyed?--"It cannot carry messages to the
brain."

What happens if a nerve be pressed upon too long?--"It cannot carry
messages to the brain."

What is necessary if you would have a strong, healthy brain?--"My brain
must be used; my brain must be rested; my brain must be supplied with pure
blood."

How must you use your brain?--"In thinking and studying."

How may the brain be rested?--"By sleep."

In what other way may the brain be rested?--"By thinking of something
different from that which made it tired."

What two brain-poisons have you learned about?--"Alcohol and tobacco."[4]

With what may you show the harm done by alcohol to the gray part of the
brain?--"With alcohol and the white of an egg."

How could you show it with these?--"I would pour the alcohol upon the white
of the egg."

What would then happen?--"The white of the egg would harden as if it had
been boiled."

What is in the white of an egg?--"Water and albumen."

Where else may we find albumen?--"In some seeds, and in the gray part of
the brain and the nerves."

What harm does alcohol do to the nerves?--"It takes awa