Internal Animal Structure

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Across
  1. 3. respiratory system of aquatic animals
  2. 6. digestive cavity or tract
  3. 8. the bones of a human or animal that is intact
  4. 9. pumplike organ of blood circulation
  5. 10. large portion of the brain
Down
  1. 1. mans best friend
  2. 2. inside or inner part
  3. 4. to give meaning or explanation
  4. 5. principal parts of the respiratory system
  5. 7. female bovine animal
  6. 11. the physical structure of an animal or plant