Which part of our heart is known as pacemaker ?

1.	Which part of our heart is known as pacemaker ?
Answer» Its SA node not AV node Normally, the electrical impulses from the heart muscle cause your heart to beat as well as this electrical signal begins in the sinoatrial (SA) node, even it is also located at the top of the heart\'s upper-right chamber (the right atrium).\xa0As well as SA node is sometimes called the heart\'s natural pacemaker. Av node

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