Heart

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Across
  1. 2. part of the cardiac conduction system that transmits action potentials inferiorly toward the apex of the heart
  2. 3. chamber of the heart that receives blood from a vein
  3. 6. structure located where blood exits the left ventricle
  4. 9. the part of the heart that sets the timing and pace of the heartbeat
  5. 10. contraction of heart chambers
  6. 11. chamber of the heart that ejects blood into an artery
  7. 12. measure of the number of contractions in one minute
  8. 14. ____of His - the part of the cardiac conduction system at the superior end of the interventricular septum
  9. 16. outermost heart tissue, same as visceral pericardium
  10. 23. part of the circulatory system from right ventricle to the left atrium
  11. 25. part of the circulatory system from the left ventricle to the right atrium
  12. 28. normal heartrate initiated at the SA node
  13. 29. relaxation of heart chambers
  14. 30. largest,strongest artery in the body
  15. 31. vessel that delivers blood to the heart from the upper part of the systemic system
  16. 32. amount of tension that ventricles must overcome to eject blood during systole
  17. 33. part of the cardiac conduction system that stimulates the entire myocardium for smooth ventricular contraction
  18. 34. the part of the heart where electrical stimulation pauses before proceeding into the ventricles
Down
  1. 1. abnormally high heartrate
  2. 4. amount of stretch in ventricular walls prior to contraction
  3. 5. parasympathetic control of heartrate
  4. 7. the volume of blood ejected from each ventricle during systole
  5. 8. muscular tissue of the heart
  6. 13. heartrate initiated at a location other than the SA node
  7. 15. one complete cycle of contraction and relaxation of all heart chambers
  8. 17. vessels that delivers oxygen-rich blood to the left atrium
  9. 18. the volume of blood ejected from the heart in one minute
  10. 19. lower than normal heartrate
  11. 20. innermost membrane layer of the heart
  12. 21. vessel that delivers blood to the heart from the lower part of the systemic system
  13. 22. structure between the left atrium and left ventricle
  14. 23. structure located where blood exits right ventricle
  15. 24. vessel that originates at the right ventricle
  16. 26. another name for the right atrioventricular valve
  17. 27. serous membrane surrounding the heart