Multiple choice

Which of the following is a vestigial organ?

  1. Muscle of Glottis

  2. Wisdom teeth

  3. Intestine

  4. Hair
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vestigial organs are remnants of structures that had functions in ancestors but are now reduced/unused. Wisdom teeth are human third molars that often don't emerge properly - they're evolutionary leftovers from larger-jawed ancestors. The intestine and hair are functional; muscle of glottis has a purpose.

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