Heart beat is controlled by which cranical nerve `:-`

In frogs, heart-beat is controlled by

In frogs, heart-beat is controlled by

___ heart beat is initiated by a nerve impulse .

Organ of Corti sends information to brain through cranical nerve

Control of involuntary activities like the beating of the heart, blood circulation, breathing etc. are controlled by ………… . Spinal cord Cerebrum Cerebellum Medulla oblongata

How is the rate of heart beat controlled ?