HS III Unit 5 study guide (ch 13)

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Across
  1. 2. serous membrane that surrounds the heart
  2. 3. this valve is between the right atrium and ventricle
  3. 6. cardiac arteries that feed the heart branch directly off of the ___
  4. 7. found in veins to ensure the direction of blood flow
  5. 9. blood pressure is almost 0 in this vessel
  6. 10. the outer layer of a vessel is the tunica ___
  7. 14. pulse can only be felt in these vessels
  8. 15. volume of blood pumped in 1 minute (2wd)
  9. 16. name for the point of the heart (2wd)
  10. 18. contraction of the heart muscle
  11. 19. the amount of blood ejected from the heart in one beat (2wd)
  12. 20. electrical connectors between heart muscle fibers (2wd)
  13. 21. structure that keeps blood flowing in the correct direction
  14. 22. ECG tracing that indicates repolarization of the ventricles (2wd)
  15. 23. tricuspid and pulmonary valves are on the ___ side
  16. 25. the first heart sound is the closing of the ___ (2wd)
  17. 28. the "pacemaker" for the heart (2wd)
  18. 29. this part of the ECG tracing shows repolarization of the atria
Down
  1. 1. medical term for heart attack (2wd)
  2. 4. as blood thickness (viscosity) drops, blood pressure ___
  3. 5. each complete heartbeat (2wd)
  4. 8. these heart chambers have the thickest walls
  5. 9. vessels that carry blood away from the heart
  6. 11. the first vessel in systemic circulation
  7. 12. last structure in heart conduction, causes ventricular contraction (2wd)
  8. 13. ECG tracing that indicates depolarization of the ventricles (2wd)
  9. 17. 2nd capillary system, recieves blood from digestive system, maintains glucose levels
  10. 18. this part of circulation starts in left ventricle and ends in right atrium
  11. 24. relaxation of the heart
  12. 26. the pulmonary vein returns blood to the ___ (2wd)
  13. 27. ECG tracing that indicates depolarization of the atria (2wd)