Specific proteins in the body control the chemical reactions of metabolism, and each chemical reaction is coordinated with other body functions. In fact, thousands of metabolic reactions happen at the same time â all regulated by the body â to keep our cells healthy and working.
John Adams - 03/04/1797: John Adams is inaugurated as the second President â¦. John Adams is inaugurated as the second President of the United States in Philadelphia. Thomas Jefferson will serve as Vice President. March 04, 1797.
Back to menu! . Thomas Jefferson was the third President of the United States. He was the first President to be inaugurated in Washington DC, a city that he helped plan. The foremost spokesperson for Democracy of his time, he was the author of the Declaration of Independence.