Attention Men: This Is Why You Have Nipples

Sorry to break it to all you bros out there, but back in the day you were just one of the ladies.

And while we're sure you'll be happy to finally release the goddess within, take a moment to learn how you grew up to be oh so manly.

It has something to do with chromosomes and skin overlapping ... and all that other stuff they taught you in 7th grade science class, but you were too busy making paper airplanes to listen to.

SEE ALSO: 4.5 Billion Years of Earth's Evolution Boiled Down to 2 Minutes

That's why this video from ASAP Science reveals the answer to the most asked question of history -- Why do men have nipples? Just watch and learn.

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