The answer is c. Voice box.
Well, let me introduce you to some hormones that do just those things: the "hunger hormones," leptin and ghrelin.
Leptin is a hormone, made by fat cells, that decreases your appetite. Ghrelin is a hormone that increases appetite, and also plays a role in body weight.
I think its 60 years old idk though
No, it isn't. They are diseases.
