Cardiovascular system

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Across
  1. 4. exchanges oxygen and carbon dioxide in blood
  2. 6. uses ultrasound to see the heart
  3. 8. abbrev for potassium chloride
  4. 10. swollen artery
  5. 13. heart attack
  6. 16. tiny veins
  7. 17. thick-walled
  8. 18. transports blood to the heart
  9. 20. tiny arteries
  10. 21. combining form meaning valve
  11. 24. abbrev for implantable cardioverter defibrillator
  12. 25. center of the cardiovascular system
  13. 26. instrument to measure pressure
  14. 27. dilated or swollen veins
Down
  1. 1. used to listen to the heart
  2. 2. high blood pressure
  3. 3. combining form meaning pulse
  4. 5. suffix meaning rupture
  5. 7. small tube used to inject dye
  6. 8. abbrev for potassium
  7. 9. surgical puncture to remove fluid
  8. 11. used to measure blood oxygen
  9. 12. used in stress testing
  10. 14. abbrev for athersclerotic cardiovascular disease
  11. 15. combining form meaning skin
  12. 19. pericardial sac is inflamed
  13. 22. abbrev for atrioventricular
  14. 23. abbrev for millimeters of mercury