NEETZoology-Body Fluids and Circulation
NEET Zoology Heart MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Pacemaker of the heart in man is situated in:
A
Interatrial septum
B
Interventricular septum
C
Wall of right atrium close to Eustachian valve
D
Wall of left atrium close to the opening of pulmonary veins
Correct Answer
Option C
Detailed Explanation
The pacemaker of the heart, the sinoatrial node, is located in the wall of the right atrium near the opening of the superior vena cava.
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