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What is the significance of atrio-ventri...

What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?

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### Step-by-Step Solution: 1. **Understanding the Heart's Electrical Conduction System**: - The heart has a specialized electrical conduction system that controls the heartbeat. This system includes several key components, primarily the sinoatrial (SA) node, atrioventricular (AV) node, and the atrioventricular bundle (also known as the bundle of His). 2. **Role of the Sinoatrial Node (SA Node)**: - The SA node, located in the right atrium, is known as the natural pacemaker of the heart. It generates electrical impulses (action potentials) that initiate the heartbeat. This impulse spreads through the atria, causing them to contract and push blood into the ventricles. ...
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