Biology, asked by raghaviraghavi128, 11 months ago

what is sino atrial node?​

Answers

Answered by sourya1794
18

Explanation:

the sinoatrial node (also known as the SA node or the sinus node) is a group of cells located in the wall of the right atrium of the heart.

Answered by nishant581277
3

Answer:

it is also known as Pace maker of the heart,,it is present below the superior vena cava,,,it regulates the signals to close the valves of left and right atrium...these signals are then transferred to AV nodes..

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