Each part of your body is important! Still, there are parts that are far less important than others and science tells us that you don't even need some of them. For example, if you look in the mirror, you'll see a little fold of tissue in the inner corner of both of your eyes. It was actually once a third eyelid, or nictitating membrane. Let's take a look at these 9 body parts that soon might change dramatically.

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