At the AV node of the conduction system, the action potential is

A. rapidly advanced due to the cells being small and well insulated by myelin.
B. rapidly advanced due to the cells being large and well connected by gap junctions.
C. delayed due to the cells being small and having few gap junctions.
D. delayed due to the cells being large and having many leakage channels.


Answer: C

Anatomy & Physiology

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