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.
Gas chambers were used as a method of execution for condemned prisoners in the United States beginning in the 1920s and continue to be a legal execution method in three states. During the Holocaust, large-scale gas chambers designed for mass killing were used by Nazi Germany as part of their genocide program.