Nervous system

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Across
  1. 3. Outer layer that protects from shock
  2. 5. How many main parts of the nervous system
  3. 7. body’s processing center
  4. 8. How is the nervous system protected
  5. 10. The brain can send how many kinds of signals
  6. 13. Where are nerves located
  7. 14. Short term for peripheral nervous system
Down
  1. 1. Column of nerve tissue
  2. 2. Lies outside of the brain and spinal cord
  3. 4. Job of the nervous system
  4. 6. Short term for central nervous system
  5. 8. Sends signals to other parts of the body
  6. 9. Body’s information channels
  7. 11. What is the brain protected by
  8. 12. Another name for nerve cells