I am adding a potential 11 and 12....because I have done exhaustive research on this.LOL!
BTW...when talking about the appendix they did mention
"So unlike the little toe, which may eventually vanish and is equally useless, the appendix is likely to stay with us for a long time - just hanging around doing nothing.
~I think that the gall bladder and the spleen is evolving into serving no purpose also.~
