Which of the following is not a vestigial org | vedclass

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(D) The correct answer is $D$. Vestigial organs are anatomical structures that have lost their original ancestral function through the course of evolu

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Abdomen

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(D) The correct answer is $D$. Vestigial organs are anatomical structures that have lost their original ancestral function through the course of evolution and are now reduced in size or utility. $A$ Coccyx (tailbone) is a vestigial structure in humans. $B$ Nails are functional derivatives of the epidermis,composed of keratin,and serve a protective role for the fingertips. $C$ Third molars (wisdom teeth) are considered vestigial as they are often impacted or non-functional in modern humans. $D$ The abdomen is a vital body region containing essential organs and is not a vestigial structure.

Which of the following is not a vestigial organ in humans?

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