the uk Japan a LOT of countries, in fact. look up some countries on wikipedia and they should say which system they use in that country.
The Google Page Rank besides the Alexa is highly recommended.
The english system is the metric system. There is no difference.
your mouth is
The integumentary system.
English.
There are many different systems of the body such as the Circulatory System, Excretory System, Respiratory System and more
The Alpha Centauri system.
other body poo
It is also found in the muscular system
Length is one of the basic familiar dimensions - 'how far to the store?', etc. The unit of length in the SI (metric) system is the metre, nowadays defined by the wavelength of certain atomic transitions. With the concept of length we may compare the size of different things. Ranging from the microscopic right up to the interstellar.
Inches are part of the English system and centimeters are part of the metric system.
None. There is no English system specifically for shapes.