Here's Why this Video of a 'Missing Arm Muscle' is Going Viral...

Our bodies are so odd, so freaky and just so amazing!

In case you've come across this (above) graphic anywhere on the Internet and freaked out because you didn't/did have that muscle, then calm down!

This 'missing muscle' phenomenon is a part of a 'Proof of Evolution' video shared by Vox, highlighting the changes our bodies have gone through because of evolution.

It's pretty incredible and oddly fascinating, take a look:

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Amazing, right?

What do you think?