Write a clue - systems and organs

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Across
  1. 2. Carries oxygen, carbon dioxide and nutrients around the body
  2. 4. Brings about movement of limbs and organs
  3. 7. Controls the functioning of the nervous system
  4. 9. Different in males and females - creates new individuals
  5. 12. Responds to stimuli
  6. 13. Supports the body
Down
  1. 1. Gets rid of the waste products from our body's metabolism
  2. 3. Responsible for gas exchange at the lungs
  3. 5. Involved with the ingestion, breakdown and absorption of food
  4. 6. Contracts to pump blood round the body
  5. 8. Where gas echange occurs between the body and atmospheric air
  6. 10. Involved with sending chemical messages to target organs
  7. 11. Filters the blood and excretes urea