Circulatory system

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Across
  1. 1. The largest artery in the body
  2. 4. a hollow muscular organ that pumps blood
  3. 6. The upper cavity of the heart that receives oxygenated blood
  4. 7. re-oxygenates blood
  5. 9. another name for a leukocyte
  6. 11. carries de-oxygenated blood to the heart
  7. 12. These are tubular structures that carry
Down
  1. 2. the upper cavity of the heart that receives de-oxygenated blood
  2. 3. pushes blood out to the rest of the body
  3. 5. Carries oxygenated blood from the heart
  4. 8. A smaller version of #5
  5. 10. another name for an erythrocyte