Unit 3

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Across
  1. 5. arouses the body and mobilizing energy during stress
  2. 6. bushy branching extensions
  3. 11. automatic response to stimulus; knee jerk response.
  4. 12. brain message sender
  5. 14. inhibits or blocks a response
  6. 15. morphine within
  7. 16. carry info from sensory receptors to brain and spinal cord
  8. 18. the basic building block of the nervous system
  9. 20. the brain and spinal cord
  10. 23. neurons in brain and spinal cord that talk to each other
  11. 24. chemical messengers
Down
  1. 1. calms the body, conserves energy
  2. 2. carry info from brain and spinal cord to muscles and glands
  3. 3. connecting the CNS to the rest of the body
  4. 4. molecule stimulating a response
  5. 7. enough to trigger
  6. 8. electrochemical communication network
  7. 9. aka the skeletal nervous system
  8. 10. part of PNS that controls the glands and muscles of internal organs
  9. 12. electricity sent through an axon
  10. 13. slow chemical communication system
  11. 17. reabsorption
  12. 19. pair of endocrine glands above kidneys secreting hormones that arouse body during stress
  13. 21. neural cables connecting the CNS with the muscles
  14. 22. little gap between sending and receiving