Across
- 2. Our external environment eg light, sound and smell
- 5. Bring about a response e.g a muscle or gland
- 7. Sense our external environment
- 9. A gap between neurones
- 10. Carries impulses from the receptor to the CNS
- 11. Made up of the brain and spinal cord
Down
- 1. Another name for a nerve
- 3. Carries impulses from the CNS to effectors
- 4. My favorite subject
- 6. A chemical that travels across synapse
- 8. Nervous pathway we dont have to think about that keeps us safe