Medicine
Autonomic Control of Gastric Motility and Its Disorders
Quick fact
The stomach's rhythmic contractions and relaxations are controlled by a complex interplay between the autonomic nervous system and the enteric nervous system, and even a brief interruption of vagal signaling can delay gastric emptying by several hours.
Why this is interesting
Ever wonder why your stomach can churn and gurgle even when you haven't eaten? Or why stress can cause a 'knot' in your stomach?