Chapter 6: The Heart

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Across
  1. 3. tough membranous sac that surrounds the heart
  2. 6. narrowing of the coronary arteries due to the accumulation of plaque and inflammation
  3. 7. pumps blood away from the heart
  4. 9. the top number of a blood pressure reading
  5. 11. rest and digest
  6. 13. the majority percentage of blood is made up by
  7. 15. node most important node in the cardiac conduction system
  8. 18. lower than 60 bpm
  9. 19. node found on the right atrial wall near the center of the heart
  10. 20. preload
Down
  1. 1. pressure sensors
  2. 2. valve between the left atrium and let ventricle
  3. 4. amount of blood pumped during one beat
  4. 5. formed elements / total blood volume
  5. 8. the printout of the ECG
  6. 10. hardest working chamber of the heart
  7. 12. maintains resting heart rate
  8. 14. cardiac muscle
  9. 16. output HR * SV
  10. 17. pumps blood to the heart