Biology · Human Anatomy and Physiology
Which structure acts as the natural pacemaker of the human heart?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Sinoatrial (SA) node✓
- 2Bundle of His
- 3Purkinje fibres
- 4Atrioventricular (AV) node
Correct answer
Sinoatrial (SA) node
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