The Nervous System Crossword Puzzle

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Across
  1. 2. neurons - nerve cells that carry messages away from the brain
  2. 5. neurons - nerve cells that carry messages to the brain
  3. 10. - an automatic response
  4. 11. - nerve cells
  5. 15. nervous system - nerves that branch off from the spine to the rest of the body
  6. 16. - the space between neurons
  7. 18. nervous system - the brain & the spinal cord
  8. 19. neurons - brain & spinal cord cells that connect sensory & motor nerves
Down
  1. 1. - something that causes a reaction
  2. 3. - part of brain controlling balance, posture, & muscle coordination
  3. 4. - coating over entire brain responsible for learning, memory, & reasoning
  4. 6. - thin fibers that carry messages into a nerve cell
  5. 7. body - main part of a neuron
  6. 8. - long fiber that carries messages away from a neuron
  7. 9. - tiny bursts of electrical energy
  8. 12. - main control center of the nervous system, a.k.a. , "The train."
  9. 13. cord - nerve fibers that run through the spine, or backbone, & connect brain to body
  10. 14. - part of the brain that controls the body's involuntary actions
  11. 17. matter - part of the brain & spinal cord that is made up of nerve cells & nerve fibers