Across
- 2. Blood vessel that provides oxygenated blood to the body
- 5. Prevents backflow from the lungs
- 6. Opening between atria; closes after birth
- 9. Circuit that makes oxygen-rich blood; bypassed during gestation
- 10. Lower chambers of the heart
- 13. Valve between the right chambers
- 15. Upper chambers of the heart
Down
- 1. Superior and inferior veins
- 3. Blood vessel that feeds the left atrium
- 4. Could describe blood in the right chambers
- 7. The only oxygen-poor artery
- 8. Valve before the largest blood vessel
- 11. Arteries that provide blood to cardiac muscle
- 12. Also known as bicuspid
- 14. The wall between the left and right sides of the heart; nose ring piercing