Circulatory System

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Across
  1. 3. where the exchange of gases takes place
  2. 6. is muscular organ that pumps blood throughout the body
  3. 7. The heart chamber that sends blood to the lungs and the rest of the body.
  4. 8. artey carries blood away from the heart to the lungs
  5. 11. movement of blood around the body
Down
  1. 1. blood vessel that brings blood back to the heart
  2. 2. prevents the backward flow of blood
  3. 4. upper chambers of the heart
  4. 5. blood vessel that carries blood away from the heart
  5. 9. gas that blood carries to body cells
  6. 10. liquid that carries oxygen and nutrients to cells and removes waste products