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Summarize the conduction system of the heart. Describe the structures in order, starting with the "pacemaker of the heart."

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GinnyAnsweridn

Final answer:

The SA node, AV node, bundle of His, and Purkinje fibers make up the heart's conduction system.


Explanation:

Conduction System of the Heart

The SA node (sinoatrial node) acts as the pacemaker of the heart, initiating the heartbeat. It then sends electrical signals to the AV node (atrioventricular node), followed by the bundle of His (atrioventricular bundle) and Purkinje fibers, ensuring coordinated contraction of the cardiac muscle.


Learn more about Cardiac Conduction System here:

https://brainly.com/question/30793198


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