Nervous System

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Across
  1. 3. part of the brain used for memory and higher level thinking skills
  2. 4. the ion that is more permeable to the neural membrane
  3. 6. the potential difference of a resting neuron
  4. 10. biochemicals used by the nervous system to communicate
  5. 11. structure of eye that houses photorecptors
  6. 12. information in the form of an electrical current
  7. 13. part of the brain used for balance and equilibrium
  8. 15. part of a neuron that sends the message away from the cell body
  9. 16. cranial nerve responsible for smell
  10. 18. cells that produce myelin the PNS
  11. 19. photoreceptors responsible for detecting brightness of light
Down
  1. 1. neurons that carry messages to effectors
  2. 2. what the neural membrane has to overcome to send an impulse
  3. 5. a junction between two communicating neurons
  4. 7. cells in the CNS that link other neurons together
  5. 8. part of the eye that bends light
  6. 9. part of the brain containing the midbrain, medulla and pons
  7. 13. condition of the eye lens in which scar tissue may build up
  8. 14. the functional unit of the nervous system
  9. 17. gel-like humor of the eye that helps maintain pressure