Across
- 4. cord serves as the bridge between the brain and the nerves
- 7. controls all the activities of the body
- 9. gap or space between two nuerons
- 10. the three membranes that line the skull and vertebral canal and enclose the brain and spinal cord
- 11. covers the axon
- 12. carries nerve impulses from the skin to the brain or spinal cord
- 13. link up the sensory neurons to the motor nerves
- 16. cell body, main part of the neuron
- 18. largest part of the brain
Down
- 1. connected to spinal cord
- 2. the part of the autonomic nervous system that is concerned especially with preparing the body to react to situations of stress or emergency
- 3. the part of the involuntary nervous system that serves to slow the heart rate, increase intestinal and glandular activity, and relax the sphincter muscles
- 4. carry nerve impulses from the movement or sense organs to the brain or spinal cord
- 5. transmits or carries messages away from the nucleus
- 6. carry messages from the central nervous system to the muscles
- 8. nerve like fibers that branch out from the cell body or nucleus
- 13. smallest part of the brain
- 14. it consists of the brain, spinal cord and the nerves
- 15. carry messages in and out of the body
- 17. the bone that protects the brain