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Useless Body Parts

From wisdom teeth to ear muscles to male nipples, the human body has a number of "useless" parts. Check out these anatomical extras that humans still have but no longer need.

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SUBCLAVIUS MUSCLE: A small muscle that goes from under the shoulder to the first rib to the collarbone that would be used if we walked on all fours. Some people have one, others don't and some people have two.

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