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