Cardiovascular System

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Across
  1. 3. Name of the valve between the right atrium and ventricle
  2. 6. Name of the valve between the right ventricle and pulmonary artery
  3. 7. Type of blood vessel that moves blood away from the heart
  4. 9. Largest vein
  5. 11. Small vein
  6. 12. Inner layer of the heart
  7. 13. Type of blood vessel that moves blood toward the heart
  8. 15. Name of the valve between the left atrium and ventricle
Down
  1. 1. Middle layer of the heart
  2. 2. One of the upper chambers of the heart
  3. 4. One of the walls between heart chambers
  4. 5. One of the lower chambers of the heart
  5. 8. Outer layer of the heart
  6. 10. Small artery
  7. 14. Largest artery