Nervous System

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Across
  1. 3. respond to efferent signals
  2. 6. Area where a neuron communicates with another cell
  3. 7. rest and digest section of the autonomic nervous system
  4. 11. The small gap that separates the presynaptic membrane and the postsynaptic membrane
  5. 14. detect or respond to stimuli
  6. 15. Carries motor commands
  7. 16. All neural tissue outside CNS
  8. 20. cytoplasm of axon
  9. 21. Cell that receives message
  10. 22. carries action potential to target
  11. 24. Cells with highly branched processes; contact neuroglia directly
  12. 25. Neuron that sends message
  13. 26. specialized cell membrane that covers axoplasm
Down
  1. 1. Cells that send and receive signals
  2. 2. fight or flight section of the autonomic nervous system
  3. 4. Nerves that connect directly to the brain
  4. 5. Open in presence of specific chemicals (e.g., ACh) at a binding site
  5. 8. Carries sensory information
  6. 9. Nerves that connect to the spinal cord
  7. 10. Consists of brain and spinal cord
  8. 12. chemical messengers
  9. 13. Clean up cellular debris, waste products, and pathogens
  10. 17. Controls voluntary and involuntary skeletal muscle contractions
  11. 18. Occurs when neurotransmitter cannot recycle fast enough to meet demands of intense stimuli
  12. 19. Monitor position and movement
  13. 23. Cells that support and protect neurons