Heart Anatomy

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