Your Digestive System has an Important Part
The fact is that our bodies are very complex and our brains even more complicated than that. Let's look at the steps which lead to the familiar feeling of hunger. You think you just become hungry, but who sends that signal? Is it our brain that determines that it's the right time to eat, and what exactly to eat? Most of the time, it's your digestive system which signals your desire to eat. The stomach and intestines transmit a signal to your brain that they're craving more food.