Question

What is sino atrial node?​

Answer 1

Answer:

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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.

Answer 2

Answer:

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.