Anesthesia is an amazing drug that allows doctors to perform some incredible and life-saving surgeries. However, there’s much more to it than just getting an injection and then falling asleep.

The way that it affects your brain and body is pretty incredible. If you are interested in this complicated process, then this slideshow is for you.

Check out the 15 things that happen to you when you are under anesthesia and be sure to share it with a friend!