Biology · Circulatory System

Which of the following is known as the natural pacemaker of the human heart?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Purkinje fibers
2Bundle of His
3Atrioventricular (AV) node
4Sinoatrial (SA) node✓

Correct answer

Sinoatrial (SA) node

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