Biology, asked by sukhada1394, 10 months ago

Mention the significance of san and avn

Answers

Answered by Bushera

0

Explanation:

The cardiac pacemaking and conduction system comprises the sinoatrial node (SAN), where electrical activation of the healthy atria begins, the atrioventricular node (AVN), responsible for channeling electrical conduction to the ventricles and serving as a backup pacemaker when the SAN fails, and the Purkinje network

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