Why can’t we move our top teeth?
In: Biology
Your mouth is made of two pieces, the upper jaw and lower jaw. The upper jaw is *part of the head*, and the lower jaw is attached to the head with a hinge.
Why can’t we move our top teeth?
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Why can’t we move our top teeth?
In: Biology
Your mouth is made of two pieces, the upper jaw and lower jaw. The upper jaw is *part of the head*, and the lower jaw is attached to the head with a hinge.
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