Across
- 2. Part responsible for thinking.
- 4. Nerve column down the back.
- 8. Automatic action.
- 11. System including brain and nerves.
- 12. Bundle of fibres.
Down
- 1. Basic cell of the nervous system.
- 3. Organs detecting stimuli.
- 5. Long fibre that carries impulses away from the cell body.
- 6. Controls heartbeat and breathing.
- 7. Receives impulses.
- 9. Junction between two neurons.
- 10. Main control organ.