What does the appendix do?
The function of the appendix is unknown. There are theories that the appendix acts as a storehouse for good bacteria, “rebooting” the digestive system after diarrheal illnesses. Other experts believe the appendix is just a useless remnant from our evolutionary past.
The appendix is a vestigial organ, which means it has no known function.
Currently there are 2 scientific theories in regards of usefulness of the appendix. Per one the appendix is just a useless remnant from our evolutionary past, while other theory is, that the appendix acts as a storage for good bacteria, to help reboot the digestive system after diarrheal illnesses.