Bio 2(H)

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Across
  1. 2. Repolarization of the ventricles
  2. 5. slow heart rate
  3. 6. Relaxation of a chamber
  4. 8. depolarization of the atria
  5. 10. Opening and closing of the ______ creates the "lub dub" sound of the heart
  6. 12. depolarization of the ventricles
Down
  1. 1. fast heart rate
  2. 3. recording of the electrical events during a cardiac cycle
  3. 4. Avg. (Normal)_____=120/80
  4. 7. irregular heart rate
  5. 9. used to measure heart sounds
  6. 11. Contraction of a heart chamber