Understanding your blood oxygen levels when you are at rest is something that you need to do if you want to make the most of the oxygen that's entering your body. Normal blood oxygen levels for the average American is about 90 to 100 percent oxygen saturation.
Chief of State. Every nation has a chief of state, a person who serves as the symbolic leader of the country and represents the nation. In the United States, the president both leads the government and acts as the chief of state, although this is not the case in many countries.
The President is both the head of state and head of government of the United States of America, and Commander-in-Chief of the armed forces. Under Article II of the Constitution, the President is responsible for the execution and enforcement of the laws created by Congress.Fifteen executive departments â each led by an appointed member of the President's Cabinet â carry out the day-to-day administration of the federal government.nder Article II of the Constitution, the President is responsible for the execution and enforcement of the laws created by Congress. Fifteen executive departments â each led by an appointed member of the President's Cabinet â carry out the day-to-day administration of the federal government.