Circulatory system

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Across
  1. 5. carries deoxygenated blood back to the heart
  2. 6. delivers oxygen, nutrients,hormones, and other important substances to cells and organs
  3. 9. carries out the blood from the heart
  4. 10. prevent the backward flow of blood
  5. 12. to transfer oxygen and carbon dioxide between the blood in the body and the air that's inhaled and exhaled between your lungs
  6. 14. let's oxygen and nutrients pass through
Down
  1. 1. brings nutrients-rich blood to the liver
  2. 2. the functional blood supply to all body tissue
  3. 3. supply blood the heart muscles
  4. 4. passes the blood
  5. 7. receive blood from the veins
  6. 8. carries oxygen from the lungs to all parts of the body
  7. 11. removes waste gases
  8. 13. keeps you alive