heart crossword puzzle

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Across
  1. 2. two bottom chambers in the heart
  2. 5. platelets
  3. 6. blood vessels that connect arteries to veins
  4. 8. carries oxygenated blood to the heart
  5. 9. largest artery
  6. 11. white blood cells
  7. 12. membrane that lines the inside of the chambers of the heart
  8. 14. the two upper chambers in the heart
Down
  1. 1. pumps blood TO the heart
  2. 3. red blood cells
  3. 4. vein that carries deoxygenated blood to heart
  4. 7. outer layer that holds the heart in place within the chest
  5. 10. carries blood from the right ventricle of the heart to the lungs
  6. 13. pumps blood AWAY from heart