why is the SA node called pace maker of the heart?
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It replaces the heart's defective natural pacemaker functions. The sinoatrial (SA) node or sinus node is the heart's natural pacemaker. It's a small mass of specialized cells in the top of the right atrium (upper chamber of the heart). It produces the electrical impulses that cause your heart to beat.
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why is the SA node called pace maker of the heart?
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It controls the heart rate by generating electrical impulses and then sending electrical signals through the heart muscle, causing the heart to contract and pump blood throughout the body.The heart beat originates from S.A. node and spreads to the walls of auricles which contract.
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Featured snippet from the web
It controls the heart rate by generating electrical impulses and then sending electrical signals through the heart muscle, causing the heart to contract and pump blood throughout the body.The heart beat originates from S.A. node and spreads to the walls of auricles which contract.
#lordcarbin
#devilwillrise
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