Cardiovascular System

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Across
  1. 4. rapid heart rate
  2. 7. blood flow is blocked to an area of the heart muscle
  3. 9. starts each heartbeat, aka the pacemaker
  4. 10. unusual heart sound caused by abnormal blood flow
  5. 13. a build up of plaque in an artery
  6. 14. measurement of heartrate
  7. 15. blood represented by blue color
  8. 16. septum that separates the atria
  9. 17. high blood pressure
Down
  1. 1. a recording of the flow of electrical impulses that travel through the heart
  2. 2. pressure of blood pushing against the inner walls of blood vessels
  3. 3. disease of the heart that makes it harder to pump blood
  4. 5. upper chambers of the heart, receives blood
  5. 6. carry blood away from the heart
  6. 8. used to prevent the backflow of blood
  7. 11. thick muscular layer of the heart
  8. 12. carry blood towards the heart
  9. 14. protective serous membrane that surrounds the heart