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Examples of vestigial organs in the human body are `:`A. Wisdom tooth, coccyx, nail, eyelid and vermiform appendixB. Wisdom tooth, coccyx, vermiform appendix, pancrease and elbow jointC. Wisdom tooth, coccyx, vermiform appendix, nictitating membrane and auricular musclesD. Coccyx, wisdom tooth, nail, auricular muscles |
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Answer» Correct Answer - C Organs which were functional in ancestors but now these become non-functional are called vestigial organs. 1. Vermiform appendix 2. Muscles of pinna or ear (auricular muscles) 3. Segmental muscles of abdomen 4. Third molars (wisdom teeth) 5. Hairs on body 6. Nictiating membrane (Plica semilunaris) 7. Coccyx or tail vertebrate In other animals : 1. Hindlimbs and pelvic girdles of phythons 2. Wings of flightless birds (Kiwi) 3. Splint bone in horse (`2^(nd)` and `4^(th)` digits) |
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