what is sinuatrual node
Answers
Answered by
1
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.
Answered by
1
It is the pacemaker that produces electric impulses in the heart which is responsible for heart contraction(Heart beat).It is present on upper right side of right atria behind the superiot vena cava.
Similar questions