The Electrical and Mechanical Components of Heart Sounds

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Across
  1. 3. Can sometimes act as a pacemaker under the right conditions.
  2. 6. Creates the "lub" sound after it closes.
  3. 7. Acts as the pacemaker for the heart.
  4. 8. An extended period of time that allows the cell to finish contraction is called a __________ period.
  5. 9. Creates the "dub" sound when it closes.
  6. 10. Denotes ventricular depolarization and atria repolarization on an ECG.
Down
  1. 1. Bundle of tissue that transmits electrical signals down the AV bundle.
  2. 2. Indicates ventricular repolarization on an ECG.
  3. 4. Indicates atrial depolarization on an ECG.
  4. 5. A graph showing the total electrical activity generated by the heart.