Why do we have an **** crack?!

Question: Why do we have an **** crack.?
my 8 yr old ask me the other day, and i had no answer for her. so if any one knows as to why...please. i've come to the conclusion that its not just for "pooping" due to the fact most animals do not share in our "split cushion"Health Question & Answer

Not to be facetious, but, it's the top of your two legs, At that joint. No secret, no mystery, nothing dirty. Just where the two legs meet.Health Question & Answer

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