The pause in the electrical impulse at the AV node allows time for the atria to contract and blood from the atria to flow into the ventricles.

Question

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The AV node acts as a gatekeeper, temporarily halting the electrical signal before allowing it to travel to the ventricles. This pause allows the atria to contract, pushing blood into the ventricles, which then contract when the electrical signal resumes.

The Pause in the Electrical Impulse at the AV Node