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.
Chief executive The president is the chief administrator, or chief bureaucrat, of the nation and is ultimately responsible for all the programs in the executive branch. Responsible for seeing that all laws are faithfully executed, a president sets the broad policy for the executive departments and agencies rather than managing their day-to-day operations.