Psychology, asked by coolanubhav3383, 17 days ago

What is SA nodes in heart explain

Answers

Answered by prakashakash802

1

Answer:

The SA (sinoatrial) node generates an electrical signal that causes the upper heart chambers (atria) to contract. The signal then passes through the AV (atrioventricular) node to the lower heart chambers (ventricles), causing them to contract, or pump. The SA node is considered the pacemaker of the heart.

Answered by thakurabhijeet318

0

Answer:

Marks as brainlist first

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