It's quite odd that despite us all having near enough the same bodies, with the same features, there's an awful lot we don't have a clue about.
For example, what the fuck is that groove below your nose, above the centre of your lips? What possible function could that shit have?
It's actually called the philtrum and has no actual purpose, per se. It's formed in the womb, and relates to how our faces are formed while we're in there.
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"It is the place where the puzzle that is the human face finally all comes together," Dr Michael Mosley, in a clip from the BBC programme Inside the Human Body, says. What he means by that, is that the philtrum is the point where different parts of the face merge into one.
Credit: BBC
"The three main sections of the puzzle meet at your top lip, creating the groove that is the philtrum," Mosley continued."
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The human face takes about two or three months to develop while in the womb, and looks like an incomprehensible mess before this.
Featured Image Credit: BBC