In each of the following questions, a statement of Assertion \( \mathrm{(A)} \) is given followe...

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In each of the following questions, a statement of Assertion \( \mathrm{(A)} \) is given followed by corresponding statement of Reason \( \mathrm{(R)} \). Of the given options, mark the correct answer.
Assertion \( \mathrm{(A)} \): Bundle of His is a part of autoexcitable tissue.
Reason \( \mathrm{(R)} \): This region comprises of cardiac tissue that can generate impulse on its own at a frequency less than SA node.
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