The pancreas
The pancreas sends enzymes in the alkaline pancreatic juice into the duodenum.
It is important for the pancreas to release bicarbonate into the small intestine because the pancreatic fluid flows into the small intestines. The pancreatic fluid consists of enzymes that chemically digest chyme and contains bicarbonate which neutralizes the acid in chyme. So in order for the stomach to chemically digest the food it has to have the pancreatic fluid.
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pancreatic duct
Enzymes
Bicarbonate is the secretion that neutralizes stomach acid as chyme enters the small intestine. Bicarbonate is necessary because chyme is highly acidic. Bicarbonate is created in the pancreas.
enzymes in the saliva
Cells that line the stomach produce gastric acids. The other cells found in the stomach are also the ones that produce a fluid called a bicarbonate, which is a base, to neutralize stomach acid.
the enzymes change
pancreas
bicarbonate-rich fluid
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