Answer :
Cholecystokinin
Explanation:
- Cholecystokinin is generated by I-cells in the duodenum lining's. It is also produced by some neurons in the brain.
- The Central Nervous System and gut possess the two types of receptors on which cholecystokinin acts.
- The Cholecystokinin hormone functions in appetite and digestion.
- The Cholecystokinin hormone improves the digestion by causing the delay in the process of emptying of food from the stomach and stimulation of bile production in the liver and its release from the gall bladder.