Explain the bundle of His & bundle branches and Purkinje fibers in the context of the heart's electrical system and how the system functions, including signal generation, atrial contraction, delay, and ventricular contraction. Also, mention abnormalities in this system.

Biology
Explain the bundle of His & bundle branches and Purkinje fibers in the context of the heart's electrical system and how the system functions, including signal generation, atrial contraction, delay, and ventricular contraction. Also, mention abnormalities in this system.

ScanSolve AI Answer

What is the role of the AV node in the heart's electrical conduction system?

The AV (atrioventricular) node plays a crucial role by delaying the electrical signal that travels from the atria to the ventricles. This delay is essential as it allows time for the ventricles to completely fill with blood before they contract.

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