I hate poachers and I love animals, but this guy I hard not to love and he does make a good villain. Utterly cruel and psychotic, he loves killing and is greedy. In fact, he's so psychotic that he attempts to feed Cody to the crocodiles when he no longer has use for him.
The first is leptin, which is a hormone secreted by your fat cells that acts as an appetite suppressant. Leptin levels peak when you fill up on food. So, when you eat a lot, your appetite goes away. If you ever said, 'I am so full I couldn't eat another bite,' then in that moment, your body was flooded with leptin.
The hormone ghrelin is secreted by the stomach and is thought to signal hunger to the brain. The hormone leptin is secreted from fat cells. When it gets to a certain level, the feeling of fullness kicks in.t least one of these was discovered accidentally, gherlin, a hormone secreted by the stomach that increases appetite. We learned of the importance of gherlin only by studying people who have had stomach bypass surgery for obesity (bariatric surgery).