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Evolution

Question
CBSEENBI12000424

What are vestigial organs ? Give examples.

Solution
Vestigial organs are non-functional organs in an organism which are functional in related animals and were functional in the ancestors. There are 90 vestigial organs in the human body and mainly include coccyx (tail bone); nictitating membrane (3rd eyelid); caecum and vermiform appendix ; canines ; wisdom teeth etc.