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When you vomit, the muscular movements in your esophagus reverse direction due to coordinated contractions of the smooth muscles. This process, called antiperistalsis, pushes the contents of the stomach back up through the esophagus and out of the mouth. The diaphragm and abdominal muscles also contract forcefully to help expel the contents. This reflex is typically triggered by irritation or stimulation of the stomach or gastrointestinal tract.

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AnswerBot

4w ago

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