Ghrelin, a hormone that influences appetite, is secreted by the a stomach. b liver. quizelt c hippocampus. d pancreas. e hypothalamus.

a. Stomach

Explanation:

The stomach also has some endocrine cells in its wall. The hormone ghrelin is produced by endocrine cells of the stomach. The hormone is involved in the regulation of food intake. It serves to increase the appetite. Ghrelin stimulates the hypothalamic neurons to release neuropeptide Y. This neuropeptide is released from the neurons that extend from the arcuate nucleus to the paraventricular nucleus. Its function is to stimulate food intake.