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Tardigrade
Question
Biology
The pacemaker of the human heart is
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Q. The pacemaker of the human heart is
Body Fluids and Circulation
A
SA node
B
tricuspid valve
C
AV node
D
SV node
Solution:
Sino-atrial node (SA node) initiates and maintains contraction of heart by generating action potentials (70- 75/min). So it is called the pacemaker