Belly button smelly button – how weird are these little divots most of us have? What exactly can someone do with a belly button? Pick at it a little? Scrunch it up, sure. Clean it out, probably – there’s a fair amount of lint in there thanks to our lovely hairy tummies. There’s also an entire ecosystem of friendly bacteria in there. Still, that doesn’t really leave much which we can do with it. Oh! Here’s something kind of interesting: chimpanzees have the closest approximation to human belly buttons in the animal kingdom, so that’s kind of neat. Little craters marking the fact that were once physically connected to our mothers, and that is pretty weird if you think about it too hard. We at Cracked love to overthink silly and mundane things, so here are 12 facts to get your mind back on your stomach's first, and strangely enough, sexiest scar.

The fear of belly buttons is called omphalophobia. If you suffer from this phobia, we strongly advise you do not continue reading. CRACKED.COM

Not everyone has a belly button Kyle XY isn't alone. Some babies are born with abdominal problems that require doctors to reconstruct the belly button, leaving only an indent. CRACKED.COM

Source: BBC

A rain forest lives in your belly button The bacteria in a human's belly button is as diverse as a rain forest. In a study of only 60 belly buttons, scientists discovered 2, 400 different species of bacteria. CRACKED.COM

Source: PLOS ONE

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