Ur brain. It is the part of you which thinks. As you would be very badly off if you could not think, the brain is your most precious part, and you have a strong box made of bone to keep it in. [Illustration: _Diagram of the nervous system._] We will call the brain the central telegraph office. Little white cords, called nerves, connect the brain with the rest of the body. A large cord called the spinal cord, lies safely in a bony case made by the spine, and many nerves branch off from this. If you put your finger on a hot stove, in an instant a message goes on the nerve telegraph to the brain. It tells that wise thinking part that your finger will burn, if it stays on the stove. In another instant, the brain sends back a message to the muscles that move that finger, saying: "Contract quickly, bend the joint, and take that poor finger away so that it will not be burned." You can hardly believe that there was time for all this sending of messages; for as soon as you felt the hot stove, you pulled your finger away. But you really could not have pulled it away, unless t _______________________________________________ Bah-alcarria mailing list [email protected] https://lists.ourproject.org/cgi-bin/mailman/listinfo/bah-alcarria