Cardiovascular System

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Across
  1. 3. Natural pacemaker of the heart.
  2. 6. Connective tissue that allows blood to pass through but not back.
  3. 7. Blood clotting following injury.
  4. 9. Heart muscle that can also produce electrical impulses.
  5. 13. Transport O2.
  6. 17. Caused by leaking valves. Whooshing sound.
  7. 18. Double pump.
  8. 19. Abnormally high RBC count.
Down
  1. 1. Takes blood away from the heart.
  2. 2. Tissue death will occur if blockage is not resolved quickly.
  3. 4. Thickening of the heart muscle wall decreasing ventricular space
  4. 5. Reduced RBC caused by low iron.
  5. 8. Fluid connective tissue.
  6. 10. Indicate relaxing and resetting of the ventricles.
  7. 11. Important organ for maintaining blood supply. Filters out deformed and aging RBC's from circulation.
  8. 12. Mesh wire placed to keep an artery open.
  9. 14. Flow of blood from the heart to the rest of the body and back.
  10. 15. Sound heard when tricuspids and mitral valves close.
  11. 16. Mixture of H20, electrolytes, and proteins that help in transporting lipids, forming antibodies, and blood clotting.