Appendix is vestigial in man but may play role in:
Correct answer: C. Immunity
- A. Digestion
- B. Excretion
- C. Immunity
- D. Movement
Explanation
The appendix has been found to play a role in mammalian mucosal immune function. It is believed to be involved in extrathymically derived T-lymphocytes and B-lymphocyte mediated immune responses and is also said to produce early defenses that help prevent serious infections in humans. Therefore the answer is C.
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