Organs and Structures of the Respiratory System

respiratory system Jeremy P T Ward, Jane Ward, Richard M Leach Lungs The respiratory system consists of a pair of lungs within the thoracic cage Its main

Respiratory system definition: the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place; in mammals the muscular system The respiratory system facilitates breathing In the alveoli tissue of the lungs, the exchange of oxygen and carbon dioxide molecules between the air and the