The Nervous System

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Across
  1. 3. a molecule that binds to adenosine receptors
  2. 8. the division of the nervous system that does not include the brain
  3. 11. pathway that sends information from the CNS
  4. 12. a neurotransmitter that causes an action potential to occur
  5. 13. response to an integrated stimuli
  6. 16. rest and digest
  7. 17. terminal part of a neuron that send chemical or electrical messages
  8. 18. part of a neuron that contains the nucleus
  9. 19. the process of interpreting sensory information
  10. 22. oligodendrocytes wrap around neurons in the CNS to form this
  11. 23. pathway that sends information to the CNS
  12. 25. the neurotransmitter most responsible for happy feelings
  13. 26. space between an axon terminal of one cell and dendrite of another
Down
  1. 1. simple, rapid response to a stimuli
  2. 2. part of a neuron that recieves info
  3. 4. fight or flight
  4. 5. involuntary division of the PNS
  5. 6. a neurotransmitter that can cause hyperpolarization
  6. 7. period the time it takes for a nerve cell to repolarize after an AP
  7. 9. transmission of a nerve impulse
  8. 10. a chemical messenger
  9. 14. the division of the nervous system that includes the brain
  10. 15. first step in an action potential
  11. 20. cell that transmits electrical signals
  12. 21. cells that support and insulate neurons
  13. 24. motor division that sends signals to skeletal muscle