The nervous system

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Across
  1. 3. - movement
  2. 4. - calm
  3. 6. - back
  4. 8. - brain and spine
  5. 10. - a bundle of fibres
  6. 11. - moving your head to the side
Down
  1. 1. - vital processes: heartbeat
  2. 2. - all the nerves in the body
  3. 5. - stress
  4. 7. - vision
  5. 9. - heart