NEET / MPSC ScienceHard
Q.Which specific structure in the human heart acts as its 'natural pacemaker', initiating the electrical impulses for the heartbeat?
a
Atrioventricular (AV) node
b
Sinoatrial (SA) node
c
Bundle of His
d
Purkinje fibers
Correct Answer: Option B
The correct solution involves applying the fundamental concept to derive the final value step by step...