The lungs are part of the respiratory system, although their mass is small, but they fill a good part of the chest cavity. The lungs are a sponge-like, paired organ consisting of lobes. The lungs are the organs that provide the body with oxygen, and thus the normal functioning of the organs. When inhaled, the lungs extract oxygen from the air, which enters the blood, which transports it to the cells of the organs and transports back the waste products that form in the cells, including carbon dioxide. When exhaled,
7 Warning Signs That Indicate Lung Cancer
