Question

Secritin in our digestive hormone they are secreted in

Answer 1

Secretin. Secretin, a digestive hormone secreted by the wall of theupper part of the small intestine (theduodenum). Secretin is a polypeptide made up of 27 amino acids.

Answer 2

Answer:

It appears that the function of melatonin is to mediate dark signals and provide night information, a “hormone of darkness,” rather than be the hormone of sleep. It has also been thought to be an “endogenous synchronizer” that stabilizes and reinforces various circadian rhythms in the body.Jul 9, 2012