Heart and Flow of Blood

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Across
  1. 4. bottom right chamber of the heart
  2. 6. bottom left chamber of the heart
  3. 9. valve between the left atrium and ventricle
  4. 10. large vein going to the heart
  5. 11. largest artery leading from the heart
  6. 12. top right chamber of the heart
  7. 13. the color of de-oxygenated blood
Down
  1. 1. blood vessel carrying blood away from the heart
  2. 2. a term for veins leading from the lungs
  3. 3. organ that pumps all the blood through the body
  4. 4. the color of oxygenated blood
  5. 5. smallest veins that carry blood
  6. 6. top left chamber of the heart
  7. 7. blood vessel carrying blood to the heart
  8. 8. valve between the right atrium and ventricle