21 Points of Circulation

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Across
  1. 1. Divides the heart into right and left sides.
  2. 4. Main part of the low pressure pump system in the heart (2 words)
  3. 6. Smallest blood vessels where oxygen and carbon dioxide exchange takes place.
  4. 7. One-way valve that directs deoxygenated blood from the heart to the lungs (2 words)
  5. 10. Gas given off in the lungs (2 words)
  6. 11. One-way valve that directs oxygenated blood from the heart to the body (2 words)
  7. 13. Drains blood from the body and lower extremities (3 words)
  8. 15. Another name for the bicuspid valve (2 words)
  9. 17. Carries deoxygenated blood from the heart to the lungs (2 words)
  10. 18. Heart muscle is called ______?
Down
  1. 2. Structure between right atrium and right ventricle (2 words)
  2. 3. Secondary part of the high pressure pump system in the heart. (2 words)
  3. 5. Drains the head and upper extremities (3 words)
  4. 8. Main part of the high pressure pump system in the heart (2 words)
  5. 9. Secondary part of the low pressure system in the heart (2 words)
  6. 12. Gas absorbed in the lungs.
  7. 14. Takes blood from the left ventricle to the body
  8. 16. Carries oxygenated blood from the lungs to the heart (2 words)