Nervous System

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Across
  1. 4. Conducts messaging to other parts of the brain
  2. 11. Connects with spinal cord and regulates heartbeat
  3. 12. Three membranes that protect the brain and spinal cord
  4. 14. carries messages between the CNS and the body
  5. 18. A shock absorber that protects the spinal cord and brain
  6. 19. Has two divisions of nerves
  7. 21. Has the brain and spinal cord
  8. 22. nerve tissue protected by the skull
Down
  1. 1. creates impulses between brain parts
  2. 2. Highly organized system that coordinates body activity
  3. 3. Contains sympathetic and parasympathetic nervous systems
  4. 5. responsible for many flex actions
  5. 6. Basic structural unit for nervous system
  6. 7. Prepares body for action such as increasing heartbeat
  7. 8. Allows conscious recognition of pain and temperature
  8. 9. counteracts actions of the sympathetic system like slowing heartbeat
  9. 10. combination of nerve fibers located outside the brain and spinal cord
  10. 13. controls autonomic nervous system
  11. 15. responsible for muscle coordination
  12. 16. Arranged in folds called convolutions
  13. 17. Contains Thalamus and hypothalamus
  14. 20. Hollow spaces that connect with each other