2. What part of you is it that thinks?
3. What are the nerves?
4. Where is the spinal cord?
5. What message goes to the brain when you put your finger on a hot stove?
6. What message comes back from the brain to the finger?
7. What is meant by "As quick as thought"?
8. Name some of the muscles which work without needing our thought.
9. What keeps them at work?
10. Why do not the nerve messages get mixed and confused?
11. Why could you not feel, if you had no nerves?