Cardiovascular System Crossword

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Across
  1. 3. procedure that records electrical activity of heart
  2. 4. exchange of oxygen and carbon dioxide
  3. 6. hypertension
  4. 9. room where medics attend patients in need of medical attention
  5. 10. open heart surgery abbreviation
  6. 11. blood
  7. 12. records electrical activity of the heart
  8. 13. process of recording
  9. 14. small branch of veins
  10. 15. cardiovascular abbreviation
  11. 20. carry blood away from the heart, have thick walls
  12. 21. instrument to hear someone's breathing or heartbeat
  13. 23. uses ultrasound to look at the heart
  14. 24. artery has a weakened wall
Down
  1. 1. complete stopping of the heart
  2. 2. narrowing in the arteries surrounding heart
  3. 5. instrument to measure pressure
  4. 7. known as high blood pressure
  5. 8. made of cardiac muscle
  6. 10. heart
  7. 16. carry blood toward the heart, thinner walls
  8. 17. vessel
  9. 18. swollen and dilated veins
  10. 19. fast
  11. 22. x-ray dye is injected into blood vessels to diganose