The Endocrine system regulates the activities of the body by secreting complex chemical substances (hormones) into the blood stream. These secretions come from a variety of glands which control various organs of the body. The key functions are: 1  To regulate the metabolic functions of the body.
Answers.comÂ® is making the world better one answer at a time. Russia became a democracy in 1991 under the leadership of Vladimir Putin. They changed from being a communist nation and became a democratic country with Yeltsin becoming the first president.
The history of Russia between 1922 and 1991 is essentially the history of the Union of Soviet Socialist Republics, or Soviet Union. This ideologically based union, established in December 1922 by the leaders of the Russian Communist Party, was roughly coterminous with Russia before the Treaty of Brest-Litovsk.