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A) Consider the human tongue; a long boneless appendage, muscular, that (in some people) can manipulate finely enough to tie a knot in string (perhaps holding one end in the teeth, I don't know). ...
Answer
A) Consider the human tongue; a long boneless appendage, muscular, that (in some people) can manipulate finely enough to tie a knot in string (perhaps holding one end in the teeth, I don't know). ...