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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. **Introduction to the Heart's Electrical Conduction System**: - The heart has a specialized electrical conduction system that controls its rhythm and ensures that it beats in a coordinated manner. Key components of this system include the Sinoatrial (SA) node, the Atrioventricular (AV) node, the Atrioventricular bundle (Bundle of His), and Purkinje fibers. 2. **Role of the Atrioventricular Node (AV Node)**: - The AV node is located at the junction of the atria and ventricles. Its primary function is to receive electrical impulses from the SA node. The AV node acts as a gatekeeper, delaying the impulse slightly before passing it on to the ventricles. This delay allows the atria to contract and pump blood into the ventricles before they contract. ...
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