If You See Your Tendons Pop Out On Your Wrist, This Is The Reason Why

Vestigial structures are the parts of your body that are shaped like vests. Don’t worry, I’m joking. They’re actually structures in your body that no longer serve a purpose, but bear a remarkable resemblance to structures in other creatures that do serve a purpose. Are these structures evidence that we evolved from a long line of ancestors who required different body parts than us, or are they simply a coincidence? That’s for you to decide.


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