The knot of modified myocardium that sets the pace of the heart is the sinoatrial (SA) node. The SA node is on the wall of the right atrium.
The SA node (Sinoatrial node) sets the pace for the heart as a whole because no other region of the conduction system or the myocardium has a faster depolarization rate. For this reason, it is the heart's pacemaker.
The rate and pace of the heart are set by the SA node. There are backup systems in place if the SA node fails to do its job.
Four times faster than a human's heart.
SA node '' sets the pace for the heart
Pace Maker
yes it does.
computer
The pace maker uses electrical impulses to regulate heart rate. It is used when the bodies own impulses from the brain are not able to do the job anymore.
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it adjusts the heart rate to correspond to the body's need for oxygen
the Sino Atrial Node (SA Node) is the pace maker of the heart that receives singles from the brain.
the pace maker the heart transplant dolly the sheep