Circulatory System

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Across
  1. 3. the system that contains the heart and the blood vessels and moves blood throughout the body
  2. 5. the largest artery
  3. 8. arteries deliver ___-rich blood
  4. 10. The heart has 4 ____.
  5. 11. ___ vena cava; the largest vein in the human body which can be found in the heart
  6. 12. pumps blood and the main organ of the circulatory system
  7. 13. deliver carbon dioxide-rich blood back to the heart
Down
  1. 1. the fluid which contains nutrients and oxygen and is pumped by the heart
  2. 2. ___ vena cava; the second largest vein in the human body
  3. 4. the tiniest blood vessels which connect veins and arteries
  4. 6. The pulmonary artery delivers blood to which organ?
  5. 7. the only artery that delivers carbon-dioxide rich blood
  6. 9. carry oxygen-rich blood away from the heart