6. Set the clock by the window. There is no need to set the minute and second hands like on a standard clock. Once the SkyScan clock picks up the signal from the NIST station, it will advance by eight seconds until it gets the right signal.
In Depth: Respiratory. The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of gases between the air and blood, and between the blood and the bodyâs billions of cells.
The respiratory system plays a vital role in the body, by providing your cells with much needed oxygen, as well as excreting carbon dioxide, which can be deadly if allowed to accumulate. Major parts of the system include the airways, the lungs, and the muscles of respiration.