B10 The Nervous System

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Across
  1. 4. part of the brain that controls coordination.
  2. 8. the gap between 2 neurones
  3. 10. part of the brain that controls consciousness, intelligence, memory and language.
  4. 12. muscle or gland that carries out the response to bring conditions back to optimum levels
  5. 13. part of the eye that controls the size of the pupil.
  6. 16. see-though layer at the front of the eye.
  7. 17. carries electrical impulses to an effector.
  8. 18. layer of light-sensitive cells found at the back of the eye.
Down
  1. 1. people who study the brain and the nervous system
  2. 2. carries electrical impulses to the central nervous system.
  3. 3. part of the brain that controls unconscious activities like breathing and heart rate.
  4. 5. how long it takes you to respond to a stimulus.
  5. 6. outer layer of the eye that supports and protects the eye.
  6. 7. process of focusing on near and distant objects.
  7. 9. cells that detect stimuli
  8. 11. quick response that doesn't involve the conscious part of the brain.
  9. 14. nerve that carries impulses from the retina to the brain.
  10. 15. long-sightedness
  11. 17. short-sightedness