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प्रश्न
For which of the following reason the SA node acts as the normal pacemaker?
विकल्प
SA node has the highest rate of depolarisation.
Only the SA node can convey the action potential to the other components.
SA node is the only component to generate the threshold potential.
SA node has the lowest rate of depolarisation.
MCQ
उत्तर
SA node has the highest rate of depolarisation.
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