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."