One theory is that this is what the role of the appendix is: backup, storage and recovery. https://www.sciencedaily.com/releases/2017/01/170109162333.htm https

One theory is that this is what the role of the appendix is: backup, storage and recovery. https://www.sciencedaily.com/releases/2017/01/170109162333.htm https://www.sciencedaily.com/releases/2017/01/170109162333.h...