The heart’s internal pacemaker beats by:
an internal implant that sends an electrical impulse...
Biology, 09.08.2019 02:20 ashliemallen
The heart’s internal pacemaker beats by:
an internal implant that sends an electrical impulse through the heart
the excitation of cardiac muscle cells at the sinoatrial node followed by the atrioventricular node
the excitation of cardiac muscle cells at the atrioventricular node followed by the sinoatrial node
the action of the sinus
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