The appendix has long been considered a vestigial structure. That is, a deconstructed, nonfunctional characteristic that has been fully functional in a species' ancestor.(Mayr, 291) Humans seem to have a fair number of other vestigial organs such as male nipples, wisdom teeth, tailbones (coccyx), and ear muscles.
If you don't have a RealPlayer Plug-in, Get it here for free! Uzi is a SMG (small machine gun) chambered for either the 9 X 19 (9mm Parabellum) or .45 ACP round. Uzis are widely available for civilian purchase in a semi-auto version. Several different countries have licensed the Uzi design from IMI in Israel. These countries include China (Norinco), Belgium (FN), U.S.A. (Group Industries), Cuba, and France.
Since machine guns are not limited to the 16 inch barrel rule applied to all rifles in the United States-the AC-556 is recognizable instantly by its much shorter barrel. Actual AC-556 rifles were used in one episode of The A-Team. Quite often variants of the famous UZI submachine gun were seen on the television show.