cardiovascular system

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Across
  1. 3. smallest blood vessel
  2. 6. upper Chambers of the heart
  3. 7. outer layer of the heart
  4. 8. Largest vein
  5. 11. Platelet
  6. 12. Red blood cells
  7. 14. White blood cells
  8. 15. The most inside layer of the heart
Down
  1. 1. vein that carries oxygenated blood to heart
  2. 2. The largest artery
  3. 4. artery that carries deoxyginated blood away from the heart
  4. 5. Blood vessel that carries blood away from the heart
  5. 9. lower Chambers of the heart
  6. 10. the middle layer of the hearts wall
  7. 13. Blood vessel that carries blood to the heart