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.
The .44 Magnum round will chamber the shorter .44 Special and shorter .44 Colt, likewise the .357 Magnum will safely chamber .38 Special and .38 Short Colt. In 1996 a revolver known as the Medusa M47 was made that could chamber 25 different cartridges with bullet diameters between .355 and .357.he term revolver refers to a handgun, but other weapons may also have a revolving chamber. These include some models of grenade launchers, shotguns, and rifles. Though the original name was revolving gun, the short-hand revolver is universally used.