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.
As chief diplomat, the president acts as leader, initiator and the guide of U.S. foreign policy. Sometimes, the president passes the chief diplomat role and responsibilities to various delegates in the state department.owers and Functions. The Constitution gives the president the powers to recognize foreign governments and make bilateral or multilateral treaties. He usually must get advice and consent of the Senate, but in some cases he makes agreements with other countries without congressional approval.