Question

what is SA node and AV node in heart circulation?

Answer 1

Hello dear your answer



SA node=The SA node the heart's natural pacemaker. SA is Sinoatrial node and also known as Sinus node.


AV node=The AV node, which controls the heart rate is one of the major elements in cardiac conduction system.AV node is known as atrioventricular node.




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Answer 2

Answer:

This electrical signal begins in the sinoatrial (SA) node, located at the top of the heart's upper-right chamber (the right atrium). The SA node is sometimes called the heart's “natural pacemaker.”