Q. The natural Pacemaker in the Human Heart is located in the SA node which is present in which among the following chambers?
Answer: Right Auricle
Notes: The natural Pacemaker in the Human Heart is located in the SA node which is present in right auricle chamber. It's a small mass of specialized cells located in the top of the right atrium i.e., the upper chamber of the heart.

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Question Number: 26 in 31. Human Body - Blood, Circulation and Immune System in above course in App.