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Heart is innervated by
Heart is innervated by
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The correct option is A Vagus
The heart is innervated by vagal and sympathetic fibres. The right vagus nerve primarily innervates the SA node, whereas the left vagus innervates the AV node. Atrial muscle is also innervated by vagal efferents, whereas the ventricular myocardium is only rarely innervated by vagal efferents. Sympathetic efferent nerves are present throughout the atria (especially in the SA node) and ventricles, including the conduction system of the heart.
The heart is innervated by vagal and sympathetic fibres. The right vagus nerve primarily innervates the SA node, whereas the left vagus innervates the AV node. Atrial muscle is also innervated by vagal efferents, whereas the ventricular myocardium is only rarely innervated by vagal efferents. Sympathetic efferent nerves are present throughout the atria (especially in the SA node) and ventricles, including the conduction system of the heart.
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