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 gaohu is similar in construction to the erhu but has a slightly smaller soundbox, commonly circular, and is tuned a fourth higher, to G4 and D5. Whereas most huqin are placed on top of the left thigh, the traditional gaohu is played with the soundbox held in between the knees. It has a brighter and lighter tone as compared to the erhu. It has two strings and its soundbox is covered on the front (playing) end with snakeskin (from a python).