Heart is innervated by

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(B) The $X^{th}$ cranial nerve,known as the $Vagus$ nerve,provides parasympathetic innervation to the heart. It plays a crucial role in regulating hea

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Vagus

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(B) The $X^{th}$ cranial nerve,known as the $Vagus$ nerve,provides parasympathetic innervation to the heart. It plays a crucial role in regulating heart rate by releasing acetylcholine,which slows down the heart rate. Additionally,the $Vagus$ nerve innervates the muscles of the larynx,pharynx,esophagus,stomach,lungs,and other visceral organs.

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