Nervous system

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Across
  1. 2. peripheral nervous system
  2. 4. extends from the pons
  3. 6. support neurons
  4. 10. receives information
  5. 12. 3rd ventricle location
  6. 14. sends information
  7. 19. arouses into wakefulness
  8. 20. outer layer of brain
  9. 21. involved in unconscious activities
  10. 23. forms partitions for protection
  11. 24. regulates breathing
  12. 27. connects cerebrum to spinal cord
  13. 30. helps maintain homeostasis
Down
  1. 1. in brain and sense organs
  2. 3. thalamus and hypothalamus are here
  3. 5. coordination of muscle movements
  4. 7. form myelin
  5. 8. in sensory neurons of PNS
  6. 9. spinal cord has ____ segments
  7. 11. impulses from brain or spinal cord to muscles
  8. 13. coverings of the brain and spinal cord
  9. 15. cavities filled with CSF
  10. 16. between neurons
  11. 17. nerve column that extends form the brain
  12. 18. base of the cerebrum
  13. 22. reflex centers for eye/head movements
  14. 25. impulses from body to brain or spinal cord
  15. 26. 4th ventricle location
  16. 28. where a neuron communicates with another cell
  17. 29. cranial and spinal nerves
  18. 31. cushions between layers