why should only a small quantity of food be passed from stomach into duodenum?
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The lining of the stomach walls has ridges called rugae, which allow the stomach to expand and also help channel liquid internally. ... The pyloric sphincter controls this exit of partially-digested food from the stomach into the duodenum, so that only small amounts are passed through at a time.
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The lining of the stomach walls has ridges called rugae, which allow the stomach to expand and also help channel liquid internally. ... The pyloric sphincter controls this exit of partially-digested food from the stomach into the duodenum, so that only small amounts are passed through at a time.
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