The human body is truly a miraculous thing, as it functions every day in big and small ways to keep us alive. But while you may have heard of the immune system or the cardiovascular system, there are a lot more systems in our body that you probably didn’t know exist. It can even be argued that, without one of these systems, you would be unable to survive for very long!
Curious? Click through this gallery to see what organ systems can be found in your body.