Parts of the Heart

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Across
  1. 4. Carries oxygenated blood from heart
  2. 7. Returns deoxygenated blood from body to right atrium
  3. 10. Contracts without fatigue
  4. 11. Prevent backflow of blood into ventricles
  5. 13. Pumps blood around the body
Down
  1. 1. Returns oxygenated blood from lungs
  2. 2. Receives deoxygenated blood and pumps it to the right ventricle
  3. 3. Prevent backflow of blood into atria
  4. 5. Pumps blood to the lungs and all body parts
  5. 6. Receives oxygenated blood and pumps it to the left ventricle
  6. 8. Prevent backflow of blood into atria
  7. 9. Carries deoxygenated blood to lungs
  8. 12. Pumps blood to lungs