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.
The President is responsible for implementing and enforcing the laws written by Congress and, to that end, appoints the heads of the federal agencies, including the Cabinet. The Vice President is also part of the Executive Branch, ready to assume the Presidency should the need arise. The Cabinet and independent federal agencies are responsible for the day-to-day enforcement and administration of federal laws.
There is only one President of the United States. This one person. must fill a number of different roles at the same time. These roles. are: (1) chief of state, (2) chief executive, (3) chief administrator, (4) chief diplomat, (5) commander in chief, (6) chief legislator, (7) party chief, and (8) chief citizen. Chief of state refers to the President as the head of the government. He is the symbol of all the people. In the United States, the President. also rules over the government. In many countries, the chief of state. reigns over government but does not rule.