cardiovascular system

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Across
  1. 2. smallest blood vessels
  2. 5. carry deoxygenated blood away
  3. 6. help clot blood
  4. 9. carries oxygenated blood from the lungs to the heart
  5. 11. inner layer of the heart
  6. 12. carries deoxygenated blood from the heart to the lungs
  7. 14. white blood cells
Down
  1. 1. middle layer of the heart
  2. 3. largest blood vessel of the body
  3. 4. receive blood from hearts upper chambers
  4. 5. where blood starts and finishes
  5. 7. carry oxygenated blood away
  6. 8. outer layer of the heart
  7. 10. sends blood to lower ventricles
  8. 13. disk shaped