Explanation:
Gastrin : it is a hormone of the digestive system produced by the G-cells of the stomach, it stimulates the growth if the stomach lining and also aids in contraction of the stomach hence it helps in the process of Digestion.
Cholecystokinin(cck): it is a hormone of the digestive system that is produced by the mucosal epithelial cells in the first segment of the small intestine. It aids in digestion in the small intestine and stimulates the secretion of digestive enzymes from pancreas and bile.
Secretin: secretin helps regulate the pH of the duodenum and inhibits secretion of enzymes of the stomach and helps digestion in the duodenum.
