Secretin and cholecystokinin are digestive hormones. They are secreted in
- pyloric stomach
- duodenum
- ileum
- oesophagus.
Answer
(2) duodenum
Solution
Secretin and cholecystokinin (CCK) are secreted by the mucosa of the duodenum (first part of the small intestine).
Secretin stimulates release of bicarbonate-rich pancreatic juice; CCK stimulates release of pancreatic enzymes and bile.
Answer: (2)