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Respiratory. Every tissue within the body requires oxygen to function. The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, provides oxygenated blood to the body tissues and removes waste gases.Read More.n 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 consists of a group of ducts that are capable of filtering air from the environment before entering the pulmonary system.Air is not only filtered, but is also moistened and warmed before entering the lungs.The organs of the respiratory system are designed to perform two basic functions: (1) they serve as an air distributor, and (2) they serve as a gas exchanger for the body.This system also effectively (1) filters, (2) warms, and (3) humidifies the air we breathe.he respiratory system consists of a group of ducts that are capable of filtering air from the environment before entering the pulmonary system.