Across
- 4. / Chemical signals
- 6. / Involuntary nerves to help uncontrollable functions
- 7. / Part of the brain
- 9. / Slows the body down
- 11. / Sends out signals
Down
- 1. / Gets the blood pumping
- 2. / Receive information
- 3. / Controls skeletal muscles
- 4. / Study the brain
- 5. / Specialized nerve cell
- 8. / Brain and spinal Cord
- 9. / Nerves branching from spinal cord
- 10. / Fatty substance to speed up signals