You often cough? Very often so without ceasing, even to bleed? Also shortness of breath, fever, and weight loss? If yes, do not say anything. Do not underestimate these things. That could be a symptom of lung cancer, the silent killer that is still difficult to cure.
The lungs are internal organs of the respiratory system and referred to in the air-breathing vertebrates kitara system. Lung function in oxygen exchange of carbon dioxide from the blood system with the help of hemoglobin. This process is known as respiration or breathing. The lungs are located inside the chest cavity, protected by the bony structure of the collar and there is a wall as the pleural membrane that contains the pleural fluid.
