Cardiovascular System

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Across
  1. 4. largest vein that takes blood to the right atrium
  2. 7. where blood receives oxygen
  3. 8. lower chambers of the heart
  4. 11. blood cells that fight infection
  5. 14. disease where fatty material builds up in the blood vessels
  6. 16. organ that pumps blood
  7. 17. circulation between heart and lungs
  8. 18. blood cells that carry oxygen
  9. 19. upper chamber of the heart
  10. 20. take blood to the heart
Down
  1. 1. liquid part of blood
  2. 2. carried by blood to the cells
  3. 3. prevents blood from flowing backwards
  4. 5. take blood away from the heart
  5. 6. largest blood vessel; takes oxygen rich blood from heart to body
  6. 9. where blood delivers oxygen to cells
  7. 10. circulation between heart and body
  8. 12. help blood to clot
  9. 13. blood takes this away from cells
  10. 15. when a blood vessel in the brain is clogged or ruptures