Fastest conducting tissue in human heart _________________?
Correct answer: D. Purkinje fibers
- A. AV node
- B. SA node
- C. Bundle of His
- D. Purkinje fibers
Explanation
Purkinje fibres conduct impulses fastest, allowing rapid activation of both ventricles and coordinated contraction. The AV node is deliberately slow, providing time for ventricular filling.
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