Nervous system and the eye

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Across
  1. 2. Receptor cells that process shades
  2. 4. The gap between two neurones
  3. 5. The part of a neurone that contains the nucleus
  4. 7. The type of lens that can correct long-sightedness
  5. 12. Insulates neurones
  6. 13. Receptor cells that detect colour
  7. 14. Carriers signals across the synapse
  8. 15. Carries impulses from your brain and spinal cord to muscle cells
  9. 16. Change in he environment that causes a response
Down
  1. 1. Automatic response to stimulus
  2. 3. The type of lens that can correct short-sightedness
  3. 6. The neurone that comes after the sensory neurone
  4. 8. protein builds up in the lens
  5. 9. Carries impulses away from the cell body of a neurone
  6. 10. The type of cells that respond to stimulus
  7. 11. Carries impulses to the cell body of a neurone