Across
- 6. the communication between neurons
- 8. the nervous system that transmits information to and from the organs
- 10. connect the sensory neuron to the motor neuron
- 13. receives and reads chemical signals
- 14. a persons genetic makeup
- 17. carry messages from the pns to the cns
- 18. carries nerve impulses away from the cell body
- 19. when a neurotransmitter increases the negative charge
- 20. when a neurotransmitter increases the positive charge
Down
- 1. the expression of a persons genetic makeup, influenced by their environment
- 2. the end of the axon that contains neurotransmitters
- 3. contains the neurotransmitters
- 4. the communication within neurons
- 5. a spike in electrical charge
- 7. root like structures that receive signals from other neurons
- 9. connect the cns to the effectors
- 11. chemicals released by synaptic vesicles
- 12. the fatty layer that protects the axon
- 15. the space between two nuerons
- 16. transmits information from receptor cells to the cns