Cardiovascular System

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Across
  1. 4. abnormality in rhythm of heart
  2. 7. cancers of blood cells
  3. 8. one of two large chambers at the base of the heart
  4. 9. necessary to rid the body of carbon dioxide
  5. 10. supplies blood to the heart muscle
  6. 12. fist-sized muscular organ, necessary for life
  7. 13. collects oxygenated blood from lungs and carries back to heart
  8. 16. the smallest unit of life
Down
  1. 1. condition in which an individual lacks adequate blood red cells
  2. 2. natural pacemaker of heart
  3. 3. carry blood away from the heart
  4. 5. disease that involves plaque build-up in artery wall
  5. 6. constantly circulating fluid in the body
  6. 11. carry blood to the heart
  7. 14. upper chamber though which blood enters the heart
  8. 15. fluid that carries blood components in one’s body