Q. Pacemaker in heart is situated
A) In the wall of left atrium
B) In the wall of right atrium
C) On inter-auricular septum
D) On inter-ventricular septum
Explanation
Pacemaker or SA-node lies in the wall of right atrium near the opening of the superior vena cava.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.