We all do it: around 11,030 kg of it over a lifetime (yep, that’s over 6 SUVs worth). But have you ever wondered why poop is usually brown? Or what it means when it’s green, red, or, gasp, floating?

This video from Ted Ed takes a detailed look at your digestive system, showing how your body turns a rainbow of foods into one very specific end product. From bile chemistry to beet-induced panic, you’ll learn what your stool’s color, shape, and texture can tell you about your health… and when it’s time to talk to a doc.

Watch now and get to know your number two a whole lot better!