Cardiovascular System

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Across
  1. 3. a vessel that carries blood towards the heart
  2. 4. the largest artery going towards the body; oxygenated
  3. 5. large veins that carry blood from the body to the heart
  4. 8. the most muscular chamber of the heart
  5. 10. structures that prevent the backflow of blood
  6. 11. the wall that divides the sides of the heart
  7. 13. upper chambers of the heart
  8. 14. body fluid that delivers nutrients and oxygen
  9. 15. a vessel that carries blood away from the heart
Down
  1. 1. the only vein that carries oxygenated blood
  2. 2. lower chambers of the heart
  3. 6. the tip of the heart
  4. 7. the organ that pumps blood through the body
  5. 9. tiny blood vessels bringing nutrients to the tissues
  6. 12. the only artery that carries deoxygenated blood