Cardiac or circulatory system

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Across
  1. 2. The force of blood pushing against artery walls
  2. 5. Hard deposits of fat and cholesterol in arteries
  3. 6. Pressure the heart must pump against to eject blood
  4. 7. Abnormal heart sound caused by turbulent blood flow
  5. 8. Thin layer of cells lining blood vessels and heart
  6. 13. Outer sac that surrounds the heart
  7. 15. Dysfunction of mitochondria affecting heart energy supply
  8. 16. A beta-blocker medication for heart disease
  9. 18. The “flaps” in the heart that open and close with each beat
  10. 19. Relating to the heart and chest cavity
Down
  1. 1. Intentional stopping of the heart (during surgery)
  2. 3. Thickening and hardening of artery walls
  3. 4. The red protein in blood that carries oxygen
  4. 5. Inflammation of the outer lining (sac) around the heart
  5. 9. Lack of oxygen supply to tissues
  6. 10. Formation of a blood clot inside a vessel
  7. 11. Inflammation of the heart muscle
  8. 12. Volume of blood stretching the ventricles before contraction
  9. 14. Procedure to widen narrowed blood vessels
  10. 17. Vessel that returns blood to the heart