Q:

By what means does an electrical signal travel from the atria to the ventricles? Via:

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By what means does an electrical signal travel from the atria to the ventricles? Via:


  1. gap junctions
  2. Purkinje fibres
  3. intercalated discs
  4. atrioventricular bundle

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D: The conduction system of the heart passes the electrical signal via the AV node to the AV bundle (also known as the bundle of His) in the interventricular septum.

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