Question

Sino-atrial is called the
pacemaker of our heart
why?​

Answer 1

Answer:

The sino-atrial (SA) node is a specialised bundle of neurons located in the upper part of the right atrium of the heart. ... Since the SA node initiates and maintains the rhythmicity of the heart, it is known as the natural pacemaker of the human body.

Explanation:

hey ya mark as brainliest plz

Answer 2

Answer:

These cells have the ability to spontaneous generate an electrical impulse. The sinus node continuously generates electrical impulses, thereby setting the normal rhythm and rate in a healthy heart. Hence, the SA node is referred to as the natural pacemaker of the heart.

hope this helps you!!