Human waste is something that comes out of our bodies when we go to the bathroom. It can also be called poop, poo, or feces. It is made up of water and things that our body doesn't need, like food that hasn't been digested, old cells, and bacteria. It is important to get rid of our waste properly because it can be dangerous if it gets into places where people live or play. That's why we use toilets that flush the waste away and send it to places where it can be treated so it can't be dangerous anymore.