Question

Briefly explain the mode of digestion in duodenum.

Answer 1

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Digestion begins in the mouth with the secretion of saliva and its digestive enzymes. Food is formed into a bolus by the mechanical mastication and swallowed into the esophagus from where it enters the stomach through the action of peristalsis.



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Answer 2

Answer:

The digestive enzymes break down proteins and bile emulsifies fats into micelles.

• The duodenum contains Brunner's glands, which produce a mucus-rich alkaline secretion containing bicarbonate.

• These secretions, in combination with bicarbonate from the pancreas, neutralize the stomach acids contained in gastric chyme.