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Why is sino -atrial mode also called pace -maker

Posted by Kulsa Chouhan 5 years, 6 months ago

CBSE > Class 10 > Science

1 answers

Meghna Thapar 5 years, 6 months ago

The electrical impulses form the heart muscles cause your heart to beat ( contract). The electrical signal begins in the sinoatrial node (SA node) which is located at the upper right chamber of the heart ( right atrium). The SA node is also called the natural pacemaker of the heart. It creates these rhythmic impulses setting the pace for blood pumping are called pacemaker cells and they control the heart rate. They make up the cardiac pacemaker , that is the natural pacemaker of the heart . The concentration of pacemaker cell in the sinoatrial node is the natural pacemaker , which is technically resultant the rhythm or sinus rhythm.

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