Answers

2015-09-13T13:13:02+05:30
Food usually moves in a wave like motion called peristaltic motion. in case of vomiting opposite of peristaltic motion occur due to certain circumstances and thus we feel to vomit
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2015-09-13T13:17:23+05:30
Sometimes when the stomach is overloaded or is distributed,vommiting occurs in which the front sphinchter opens and a reverse wave of muscular contraction( antiperistalsis) is caused throwing the contents out through the mouth
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