What are vestigial organs? Name anyone of vestigial organs of human body.

Organisms that have become evolved over a period of time and have lost their original function and don’t perform any function are known as vestigial organs.They occur in animals (and plants) which have changed their style of life from their ancestors. Thus snakes lost their legs as their system of movement changed. But one type of snake have vestigial rear legs.Wisdom teeth and appendix found on intestine are vestigial organs of human body.