The primary, secondary, and tertiary pacemakers of the heart are the sinoatric node, AV node, and Bundle of His, respectively.
The pacemakers of the heart, in order of their role, are the sinoatrial node (primary), the atrioventricular node (secondary), and the bundle of His (tertiary).
| Front | primary, secondary, tertiary pacemakers |
|---|---|
| Back | sinoatrial node, AV node, bundle of His |
Tags: 6_2_blood_system
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