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What happen if direction of peristalsis is reversed |
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Answer» tion:Retroperistalsis is the reverse of the involuntary smooth muscle contractions of peristalsis. It usuallyoccurs as a precursor to vomiting. Local IRRITATION of the STOMACH, such as bacteria or FOOD poisoning, activates the EMETIC center of the brain which in TURN signals an imminent vomiting reflex. |
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