German researchers posted an X-ray video of what the inside of your mouth looks like when you talk. They used MRI technology to film a man from the side as he speaks a few sentences along with some vowels, consonants, and numbers. You can see all the different muscles and tissues working together, like the lips, tongue, and larynx. He's speaking in German, but you get the hint. It's fascinating and very creepy at the same time.
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