The surprising reason why humans are the only animals with chins

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The human chin is a mystery. It’s not clear why we have it, or why we’re the only animals with this strange protrusion.

One theory is that the chin helps to support the lower jaw and make chewing easier. This is supported by the fact that our chins become more prominent as we age and our teeth wear down.

Another theory is that the chin is an evolutionary adaptation to help us speak. The lower jaw is more mobile than the upper jaw, so the chin provides stability and prevents the lower jaw from moving too much.

Whatever the reason, the human chin is unique and strange. It’s a small protrusion that doesn’t seem to serve any purpose, but it’s a part of our anatomy that makes us distinct from all other animals.

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