Cardiovascular System

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Across
  1. 3. ___-cardia, abnormally slow heart-rate
  2. 6. standard units of measure of blood pressure
  3. 7. ___ amt. blood fills vent. at end of filling, abbrev.
  4. 8. ___ interval, includes "pause" between atrial/vent. depol.
  5. 11. umbilical arteries carry blood to the ____
  6. 16. ____ valve, separates right atrium and ventricle
  7. 18. ___ arteriosus, fetal shunt from pulm. trk. to aorta
  8. 20. ___ arteries, type with high elastic CT., propels blood
  9. 21. ___-load, arterial "backpressure"
  10. 22. ___-Node, "pacemaker" of heart, abbrev.
  11. 24. abnormal heart-sound
  12. 25. ___ artery, branch of R. coronary a.
  13. 26. pulmonary ____, carries blood from heart to lung
  14. 28. relaxation phase
  15. 30. influx of this ion in autorhythmic cells = depolarization
  16. 33. ___ pressure, drives fluid movement across venous end of capillary bed
  17. 34. ___-pressure (systolic minus diastolic pressure)
  18. 36. cardiac ____, duration of one complete heartbeat
Down
  1. 1. ___ coronary artery bypass graft, abbrev.
  2. 2. ___ pressure, drives fluid movement across arterial end of capillary bed
  3. 4. ventricle that pumps blood to body
  4. 5. ___-Node, backup-pacemaker of heart, abbrev.
  5. 9. pulmonary ____ valve, leads out of right ventricle
  6. 10. influx of this ion in contractile cells = depolarization
  7. 12. hormone secreted from atria due to high BP, abbrev.
  8. 13. ____ valve, separates left atrium and ventricle
  9. 14. weakened tissue due to lack of blood supply
  10. 15. lower chamber of heart
  11. 17. ____ valve is one that doesn't open all the way
  12. 19. ___-volume, amt. blood ejected from vent. per beat
  13. 21. upper chamber of heart
  14. 23. ___-cardia, abnormally fast heart-rate
  15. 27. ventricle that pumps blood to lungs
  16. 29. contraction phase
  17. 31. kidney enzyme released into blood due to low BP
  18. 32. ____ semilunar valve, leads into aorta
  19. 35. pulmonary ____, carries blood from lung to heart