Assertion : Sino-atrial node (SAN) is called the pacemaker Reason : SAN generates the maximum number of action potentials and is

Assertion : Sino-atrial node (SAN) is called the pacemaker
Reason : SAN generates the maximum number of action potentials and is responsible for intiating and maintaining the rhythmic contractions of the heart.
A. Right upper corner of tight atrium
B. Left upper corner of right atrium
C. Right lower corner of left atrium
D. Left lower corner of left atrium

Assertion : Sino-atrial node (SAN) is called the pacemaker Reason : SAN generates the maximum number of action potentials and is responsible for intia

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