Which part acts as the gatekeeper of electrical conduction system of heart?

Purkinje fibre

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Sinoatrial node

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Pericardium

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Atrioventricular node

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Solution

The correct option is D
Atrioventricular node

The atrioventricular node or AV node is located at the Atrio-ventricular junction on the right side of the heart. The function of the AV node is to act as a gatekeeper and briefly delay the impulses coming from the SA node, which allow the atria to contract completely and empty all of the blood into the ventricles.

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