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Q.
Which of the following is not vestigial organ in human beings?
AMUAMU 2013Evolution
Solution:
There are about 100 vestigial organs in human being like rudimentry ear muscles (much developed in have elephant and cow) third molar, coccyx (4-5 coccygeal vertebrae) scalp muscle, vermiform appendix, nictitating membrane, ear pinna muscle is vestigial but ear functional bone in man, olecranon process is related to nervous system.