Mental Floss

POOP













Chloe Effron

There’s a lot of stuff in your poop that your body can’t digest or doesn't need. Food comes in all kinds of colors, but poop usually comes out brown.

Jordan Rosenfeld












iStock / charnsitr

Birds’ digestive systems and naughty bits don’t work exactly like ours or most other animals'. Instead of pooping and peeing separately, they basically do it all in one weird mess.

Matt Soniak