[vc_row][vc_column][vc_column_text]The human gas-exchanging organ, the lung, is located in the thorax, where its delicate tissues are protected by the bony and muscular thoracic cage. The lung provides the organism with a continuous flow of oxygen and clears the blood of the gaseous waste product, carbon dioxide. Atmospheric air is pumped in and out regularly through a system of pipes, called conducting airways, which join the gas-exchange region with the outside of the body.[/vc_column_text][vc_btn title=”Read More Here” color=”danger” size=”sm” i_icon_fontawesome=”fa fa-file-text-o” link=”url:http%3A%2F%2Fwww.britannica.com%2Fscience%2Fhuman-respiratory-system||target:%20_blank” add_icon=”true”][/vc_column][/vc_row]