Question

How the medium in duodenum is made alkaline

Answer 1

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Answer 2

The duodenum is made alkaline by the bicarbonate secreted from the pancreas into the duodenum. The pH level of the duodenum is 6, which is necessary to be maintained for the enzymes secreted by the pancreas and the bile to work effectively.

The acidic medium of the stomach or the acid from the stomach does not affect the duodenum because the bicarbonate and enzymes from the pancreatic juice make the medium of duodenum very alkaline.