Vermiform appendix is a part of:

A. Nervous system
B. Alimentary canal
C. Vascular system
D. Reproductive system 

The vermiform appendix is a part of the Alimentary canal.

What is the Alimentary canal?

Alimentary canal is a tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus, it functions in digestion and elimination of food.

What is a vermiform appendix?

The appendix or vermiform appendix is a muscular structure attached to the large intestine in the human body. It is a narrow tube resembling a worm and is named after the Latin word “vermiform” which means ‘worm-shaped’