Across
- 2. a muscle or a gland
- 7. this is comprised of the brain and spine
- 8. the chemicals released between two neurones
- 9. the correct name for the electrical signal
- 10. this covers the axon and speeds up the electrical impulse
- 12. these are the cells that carry the electrical signal around the body
- 13. this response is automatic
- 14. the small gap between two neurones
- 15. reflexes are important for...
- 17. the change in the environment
Down
- 1. the action at the end of the reflex arc
- 3. blinking is an example of this
- 4. the change in the environment is picked up by this
- 5. how long it takes to respond to a stimulus
- 6. this part of the neurone carries the signal away from the cell body
- 8. the travelling of impulses is called....
- 11. this part of the neurone carries the signal towards the cell body
- 16. the name of the neurone that carries the signal within the CNS