Do you have this small hole in your ear?I heard that there is only 100 out of 1 people?

       In fact, the small holes on the ears have a scientific name called the ear chamber, which usually grows on the ears when they are born.However, not everyone will grow ear bins, some people have only one ear bin, and some people have two ear bins.In fact, the existence of the ear chamber is a congenital malformation, a mark left over from the evolution of the human body. Some people have disappeared, and some people still have the ear chamber intact.

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