Circulatory System

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Across
  1. 1. Larger than erythrocyte
  2. 3. A disk shaped blood
  3. 6. The in between layer of the heart
  4. 10. When the blood exits out of the lungs
  5. 12. The outside layer of the heart
  6. 14. The smallest blood vessels
  7. 15. The first chamber of how blood travels through the heart
Down
  1. 2. The inside layer of the heart
  2. 4. Filled with oxygenated blood which exits the heart
  3. 5. The part where the oxygenated blood is sent out of the heart
  4. 7. The second chamber of how blood travels through the heart
  5. 8. Synthesized in red marrow
  6. 9. When the blood enters the lungs
  7. 11. Where deoxygenated blood enters the heart
  8. 13. Filled with deoxygenated blood which enters the heart