Which of the following sets includes only the vestigial structures in man ?

Options

A. Body hair olecranon process, coccyx, patella
B. Wisdom teeth, mammary glands, coccyx, patella
C. Coccyx, nictitating membrane, vermiform appendix, ear muscles
D. Coccyx, body hair, ear ossicles, vermiform appendix

Answer

C

Explanation

Vestigial organs are non-functional, degenerate and rudimentary organs that correspond to fully developed and functional organs of related organisms, e.g. nictitating membranes, muscles of ear pinna and third molar (wisdom tooth), mammary gland in males, coccyx (caudal vertebrae), vermiform appendix etc.