Vocabulary

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Across
  1. 5. put back into the vesicles
  2. 7. conducts electrical impulses away from cell body
  3. 8. creates communication for reflexes
  4. 9. nerve cells activated by sensory input
  5. 10. projections of a neuron that receive signals
  6. 13. chemical messengers
  7. 16. nervous system outside the CNS
  8. 17. stimulate receptor to cause a response
  9. 18. ends of axon that make synaptic connections
  10. 20. sends signals from spinal cord to muscles
  11. 21. fibers transmits impulses to brain/spinal cord
  12. 23. the division of the ANS
  13. 24. store neurotransmitters to be released
  14. 25. attach to receptors,block effect of agonist
Down
  1. 1. no electrical impulses/maintain homeostasis
  2. 2. allows electrical impulses to transmit fast
  3. 3. site of transmission between two nerve cells
  4. 4. specialized membrane on surface of cell
  5. 6. chemically controls functions
  6. 7. recieves info from our sensory organs
  7. 11. transmit info to other nerve,muscles,gland cells
  8. 12. motor nerves impulses go towards muscles
  9. 14. chemical messengers secreated into the blood
  10. 15. positively charged ions rush into a cell
  11. 18. regulates involuntary functions
  12. 19. consists of the brain/spinal cord
  13. 22. responds to threat flight or fight