Across
- 2. an electrical signal
- 4. a specialised cell transmitting impulses from CNS to effector organ
- 7. The organisation of a complex body to enable it to work effectively
- 8. special sensory cell that detects changes in the environment
- 9. change in the environment that is detected by sensory receptors
- 10. five ways the body receives a stimulus
Down
- 1. an electrical signal carried along the neurones
- 3. an organ or cell that acts in response to the stimulus
- 5. chemical signal
- 6. the surroundings or conditions in which a person lives or operates
