Answer :
Final answer:
The hormone secretin, produced by the duodenum, increases the output of bile by the liver and pancreatic juice rich in bicarbonate ions.
Explanation:
The hormone that is produced by the duodenum and causes an increase in the output of bile by the liver and pancreatic juice rich in bicarbonate ions is called Secretin. It is a peptide hormone responsible for stimulating the liver and pancreas, allowing for the digestion of food and neutralization of stomach acid. As a response to acidic contents arriving in the duodenum, secretin causes the liver to increase bile output and the pancreas to secrete juices rich in bicarbonate ions, which helps to neutralize the acids.
Secretin plays a role in increasing bile output and the secretion of bicarbonate-rich pancreatic juice, which contributes to digestion and acid neutralization.
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