Which of the following is NOT considered a ve | vedclass

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(B) Vestigial organs are anatomical structures that have lost their original ancestral function through evolution. $A$. The third molar (wisdom tooth)

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Nails

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(B) Vestigial organs are anatomical structures that have lost their original ancestral function through evolution. $A$. The third molar (wisdom tooth) is a vestigial structure in humans. $B$. Nails are functional structures used for protection and gripping; they are $NOT$ vestigial. $C$. Auricular muscles (muscles of the pinna) are vestigial in humans as we cannot move our ears like other mammals. $D$. The caecum is a vestigial structure in humans,as it is reduced compared to the large caecum found in herbivorous mammals.

Which of the following is $NOT$ considered a vestigial organ?

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