Multiple choice

Which among the following is not a vestigial structure present in human beings?

  1. Caecum

  2. Orbitalis muscle

  3. Plica semilunaris

  4. Darwin's tubercle

  5. Rectum
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The rectum is the concluding part of the large intestine that terminates in the anus. The rectum stores solid waste until it leaves the body through the anus.

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