Digestion and AbsorptionHard
Question
Which part of body secretes the hormone secretin ?
Options
A.Oesophagus
B.Duodenum
C.Stomach
D.Ileum
Solution
Secretin is a polypeptide hormone secreted by the mucosa of duodenum and jejunum.
It helds two functions : (a) It stimulates sodium bicarbonate from the pancreas which neutralizes the acid in the chyme so that it will not damage the wall of the small intestine. (b) It increases the rate of bile secretion in the liver.
It helds two functions : (a) It stimulates sodium bicarbonate from the pancreas which neutralizes the acid in the chyme so that it will not damage the wall of the small intestine. (b) It increases the rate of bile secretion in the liver.
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