Hi! My name is Zalgo and I am here to help you out today. 1 part of the body would be the appendix. I know this because my little brother had got surgery to get his removed because it got infected, but it isn't a needed body part. Another part would be wisdom teeth and that's a bit of the obvious ones considering we have to get our wisdom teeth removed.
I hope that this helps! :D
"Stay Brainly and stay proud!" - Zalgo
