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