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 standard magazine capacity for both the AK-47 and M16 type rifles is 30 rounds. Although, lower and higher capacity magazines are available for both systems. However, the single most limiting factor in terms of firepower is the amount of ammunition that a soldier can carry.he two most common assault rifles in the world are the Russian AK-47 and the American M16. These Cold War era rifles have faced each other in conflicts both large and small since the early 1960s.