Circulatory System

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Across
  1. 4. Vessels "below" the heart
  2. 5. The number of valves in the heart
  3. 7. Vessels that carry oxygen away from the heart
  4. 11. The number of chambers in the heart
  5. 12. Directs the flow of blood in the heart
  6. 13. The upper chambers of the heart
  7. 15. The exchange zone in the body where arteries and veins connect to exchange oxygen and carbon dioxide.
  8. 16. The heart sounds come from the one directional "doors" in the heart called ______
  9. 17. Another word for pulmonary
Down
  1. 1. The vessels that take unoxygenated blood to the lungs to pick up oxygen are pulmonary _________
  2. 2. Vessels "above" the heart
  3. 3. The system that consists of the heart, blood and blood vessels
  4. 6. The arteries on the outside of the heart, "like a crown."
  5. 8. Cane shaped artery that carries "red rich blood and oxygen" to the body.
  6. 9. Relating to the stomach area
  7. 10. The lower chambers of the heart
  8. 12. Vessels that collect oxygen-poor blood and bring it back to the heart.
  9. 14. The normal heartbeat range is 60-100 beats per _________.
  10. 16. The vessels that bring back oxygenated blood from the lungs are pulmonary ________