Across
- 2. nerve cell
- 4. bundle of neurones
- 7. automatic responses
- 8. cells that are sensitive to a stimuli
- 9. it’s a body system made up in your brain,spinal cord and nerves
- 11. another word for release
Down
- 1. system the brain and spinal cord are collectively known as the cns
- 3. the cells witch carry impulses from your sense organs to your cns
- 5. the cells which carry impulses from your CNS to your effector organs
- 6. it’s a electrical signal
- 10. organs- clusters of receptors
- 11. a change In the environment