Across
- 3. The muscle layer of the heart
- 8. Pumps blood to the body
- 9. Carries oxygenated blood from the lungs to the heart
- 11. A valve that opens to allow oxygenated blood to leave the heart
- 12. Valve that prevents backflow into the right ventricle
Down
- 1. Collects deoxygenated blood from the body
- 2. Pumps blood to the lungs
- 4. Valve between the right atrium and right ventricle
- 5. A valve that prevents backflow into the left atrium
- 6. Wall that separates the right and left ventricles
- 7. Carries deoxygenated blood from the heart to the lungs
- 8. Collects oxygenated blood from the lungs
- 10. Collects oxygenated blood from the lungs