21 Points of Circulation

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Across
  1. 3. Lies on the diaphragm and points to left lateral
  2. 5. Dioxide Gas given off in the lungs (2 words)
  3. 8. This vessel drains the head and upper extremities (3 words)
  4. 10. Structure between right atrium and right ventricle (2 words)
  5. 11. Heart muscle
  6. 13. Main part of the low pressure pump system (2 words)
  7. 16. Structure between the left atrium and left ventricle (2 words)
  8. 17. Another word for the bicuspid valve
Down
  1. 1. Smallest blood vessels (one cell thick)
  2. 2. Receives oxygenated blood (2 words)
  3. 4. Has four chambers and two sides
  4. 6. One-way valve that directs oxygenated blood from the heart to the body (2 words)
  5. 7. Takes blood from the left ventricle to all body systems
  6. 9. Drains blood from the body and lower extremities (3 words)
  7. 12. One-way valve that directs deoxygenated blood from the heart to the lungs (2 words)
  8. 14. Gas absorbed in the lungs
  9. 15. Divides the left heart from the right heart
  10. 18. Structures where oxygen and carbon dioxide are exchanged