The cranial nerves which are associated with gastrointestinal tract motor output is vagas.
The parasympathetic system exerts its effects primarily through the vagus and pelvic nerves that comprise of lower large intestine, rectum, and anus. The vagus nerve regulates tone and volume by activating the enteric motor neurons.
So we can conclude that the cranial nerves which are associated with gastrointestinal tract motor output is vagas.
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