Bundle of His is a muscular tissue.
Bundle of His is a muscular tissue that carries electrical impulses to the ventricles.
Bundle of His supplies to the ventricles.
The bundle of His is an important part of the electrical conduction system of the heart, as it transmits impulses from the atrioventricular node, located a the inferior end of the interatrial septum, to the ventricles of the heart. It is a muscular tissue.
So the correct answer is 'Muscular tissue supplying ventricles'.

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