Cockroaches have flat, oval-shaped bodies. The bodies of cockroaches are oily to the touch and may be cool or warm, depending on the temperature of their environment. The head of a cockroach is small and is covered by a shield-like pronotum.
World Trade Organization. Today, member countries number 125 (nearly the whole world except China, some former communist countries, and a number of small nations) and WTO rules apply to over 90 percent of international trade.
there are 193 members of the united nations unfortunately the number 193 is too often used to represent the number of countries in the world