The answer on the first floor is good! Organ refers to a relatively independent part of a tissue or organism with special functions. It can be regarded as a part of a machine. A whole composed of organs with similar or related functions is called a mechanism.

The country is the product of human historical development and socialization, and it needs to coordinate human social activities and organize human social life. In the organism of a country, people who hold political power in a certain way set up various organs according to the needs of governance, and various organs form different institutions to coordinate and play a role in making the huge state machine work.