That you need to eat to restore energy levels and give your body the required nutrients. As simple as that.
I am hungry
stick your hand into the piranah's house if it dissapears... they're hungry
Fat keeps the body from being hungry because once you store heavy food in your system it stays in there and you'll get hungry later on but you won't stay hungry at that moment.
Yes but only when they are hungry and you never can tell if they are hungry or not.
Has an empty stomach.
When you are hungry, your body is telling you that it's levels of glucose is low. The body will then begin to burn stored sugar and release it into your bloodstream.
Your stomach will grumble cause it has nothing to digest if ur body feels like it is hungry but you do not want to take in extra calories eat ice
People do get hungry. The body uses up energy whenever it does anything, including just sitting around, and hunger is the body's way of telling you it is out of energy and needs some more. Some people ignore their hunger and eventually get to the point where they are so out of touch with their own body that they don't realize they are hungry. But they still get hungry.
they will probably be brown. how do i know well in school had a anole and we studied and studied about them and we found out that if its brown its hungry.
Hormones
Your brain.
When you are hungry it means that you need to eat. Your body needs fuel to function and when the body needs fuel it sends a signal to the brain, which makes you hungry.