Science

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