Explain SA node. ans plzzzzzzzzzz
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The SA node is the heart's natural pacemaker. The SA node consists of a cluster of cells that are situated in the upper part of the wall of the right atrium (the right upper chamber of the heart). The electrical impulses are generated there. The SA node is also called the sinus node.
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HEYA GE ❤
# SA NODE
- A specialized cardiac musculature called the nodal tissue is also distributed in the heart.
- A patch of this tissue is present in the right upper corner of the right atrium called the SINO-ATRIAL NODE{ SAN }.
- S A NODE IS ALSO KNOWN AS THE PACEMAKER OF HEART...
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