The Lungs are paired organs in the chest that perform respiration. Each human has two lungs. Each lung is between 10 and 12 inches long. The two lungs are separated by a structure called the mediastinum. The mediastinum contains the heart, trachea, esophagus, and blood vessels. The lungs are covered by a protective membrane called the pulmonary pleura

Mesothelioma and asbestosis are diseases that affect the lungs. They are caused inhalation of asbestos.
Common infectious diseases of the lung include pneumonia, tuberculosis, lung cancer, cystic fibrosis, and emphysema.
A pulmonary embolism is a sudden blockage in a lung artery.
Chronic Beryllium Disease is a serious and sometimes fatal lung disease.
Silicosis is very serious and sometime fatal lung disease.
Black Lung Disease is a disease that often affects coal miners.


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