Heart crossword

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Across
  1. 2. collects the oxygenated blood and carry it from the lungs back to the heart
  2. 4. helps keep blood flowing in the right direction through the heart
  3. 6. carry blood from the right side of the heart to the lungs
  4. 9. pumps the oxygen-rich blood through the aortic valve
  5. 10. the main artery in the heart
  6. 11. keeps your blood moving in the right direction
Down
  1. 1. pumps the oxygen-poor blood to the lungs through the pulmonary valve
  2. 3. one-way door from your heart's right ventricle to the lungs
  3. 5. receives blood low in oxygen from the body and then empties the blood into the right ventricle
  4. 7. helps keep blood flowing in the correct direction through the heart
  5. 8. receives blood full of oxygen from the lungs and then empties the blood into the left ventricle