The Nervous System - Swanson

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Across
  1. 1. the secretory region of a neuron
  2. 4. glial cells that monitor neuron health
  3. 5. cells that circulate cerebrospinal fluid
  4. 8. gaps in the myelin sheath
  5. 9. rest and digest
  6. 13. a sensory signal that travels toward the brain
  7. 14. a motor signal that travels away from the brain
  8. 15. provide myelin in the CNS
  9. 17. cells that surround neuron cell bodies
  10. 19. the PNS
Down
  1. 2. a nerve cell
  2. 3. fight or flight
  3. 4. protects and electrically insulates the axon
  4. 6. the receptive region of a neuron
  5. 7. the ___ system controls involuntary muscle
  6. 10. support and brace neurons at the synapse
  7. 11. a cell without the ability to divide
  8. 12. the supporting cells of the nervous system
  9. 16. the ____ nervous system controls skeletal muscle
  10. 17. a nerve cell body
  11. 18. cells that provide myelin in the PNS