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.
Duties of the Secretary of State. Under the Constitution, the President of the United States determines U.S. foreign policy. The Secretary of State, appointed by the President with the advice and consent of the Senate, is the Presidentâs chief foreign affairs adviser. The Secretary carries out the Presidentâs foreign policies through the State Department and the Foreign Service of the United States. Created in 1789 by the Congress as the successor to the Department of Foreign Affairs, the Department of State is the senior executive Department of the U.S. Government. 1  The Secretary of Stateâs duties relating to foreign affairs have not changed significantly since then, but they have become far more complex as international commitments multiplied.