Biology · Animal Physiology
Which of the following acts as the primary natural pacemaker in the mammalian heart?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Atrioventricular node
- 2Purkinje fibres
- 3Bundle of His
- 4Sinoatrial node✓
Correct answer
Sinoatrial node
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