Directions: In the following questions, a statement of assertion is followed by a statement of reason.
Mark the correct choice as:
(1) Both Assertion (A) and Reason (R) are True and the Reason (R) is a correct explanation of the Assertion (A).
(2) Both Assertion (A) and Reason (R) are True but Reason \( (R) \) is not a correct explanation of the Assertion (A).
(3) Assertion (A) is True but the Reason (R) is False.
(4) Assertion (A) is False but the Reason (R) is True.
Assertion (A): Normal activities of heart are regulated intrinsically, i.e., autoregulated by specialised muscles (nodal tissue), hence the heart is called myogenic.
Reason (R): A special neural centre in the medulla oblongata can moderate the cardiac function through autonomic nervous system.
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