What is a boy apt to do when his ears or feet are frost-bitten?
Give the proper course to be followed.
What should be done with a slight cut?
How can you know that an artery has been cut? What must be done?
What is the office of the veins? What need be done if one of them is wounded?
Suppose your arm or leg is broken, what is the proper course? If it is only a finger?
THE NERVOUS SYSTEM.
CHAPTER XV.
THE NERVES, BRAIN, SPINAL CORD, ETC.
The muscles which move the bones are themselves moved by the nerves. The nerves are soft and pulpy in youth, but harden as you advance in years. They are composed of a gray substance, called the nerve-cell, and a white substance, known as the nerve-fibre.