Multiple choice Target organ(s) of secretin hormone is/are stomach, pancreas and gall bladder stomach, pancreas and liver gastric glands duodenum Reveal answer Fill a bubble to check yourself B Correct answer Explanation Target organs of secretin are stomach, pancreas and liver. Secretin inhibits the production of gastric juice in stomach and stimulates the production of hydrogencarbonate ions in the pancreatic juice in pancreas and bile juice in liver.