How does the cardiovascular system work?

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Across
  1. 6. Disease of the heart muscle
  2. 7. Prefix referring to a clot
  3. 8. Congestive Heart Failure
  4. 10. Prefix referring to blood vessels
  5. 12. Infarction Heart attack
  6. 14. Cardiopulmonary Resuscitation
  7. 15. A blood vessel that carries blood away from the heart
  8. 16. Instrument used to listen to heart sounds
  9. 18. Electrocardiogram, a test that records the electrical activity of the heart
  10. 19. X-ray of blood vessels after injecting contrast dye
  11. 20. The largest artery in the body
  12. 22. High blood pressure
Down
  1. 1. Prefix referring to the heart
  2. 2. Suffix meaning inflammation
  3. 3. Ultrasound of the heart
  4. 4. Instrument used to measure blood pressure
  5. 5. Hardening of the arteries due to plaque buildup
  6. 9. Coronary Artery Disease
  7. 11. Irregular heartbeat
  8. 13. Blood Pressure
  9. 14. Tiny blood vessels where oxygen and nutrients are exchanged with tissues
  10. 17. The muscular organ that pumps blood through the body
  11. 18. Suffix meaning surgical removal
  12. 21. A blood vessel that carries blood back to the heart
  13. 22. Heart Rate