Answer:
a. gastric hormone that stimulates appetite is the correct answer.
Step-by-step explanation:
Ghrelin is a hormone formed in the gut and found in the stomach.
It is also described as the hunger hormone as it raises the absorption of food by raising gastric acid secretion.
Ghrelin transmits a signal to the brain to sense hungry.
functions of ghrelin :
- it increases the storage of fat.
- it controls the fat levels and calorie intake.