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 functions in the exchange of gases between the body and the environment. Together with the other organ systems they also contribute to hemostasis-that is, to maintaining internal operating conditions for all of the body s living cells.1  The Nature of Respiration.2  The Basis of Gas Exchange.he respiratory system functions in the exchange of gases between the body and the environment. Together with the other organ systems they also contribute to hemostasis-that is, to maintaining internal operating conditions for all of the body s living cells. 1  The Nature of Respiration. 2  The Basis of Gas Exchange.