Pleural membranes Thin layers that reduce friction between the lungs and the inside of the chest wall during breathing Pleural fluid (Higher Tier) Fluid found in the pleural cavity (between the ...

An injury that impairs or compromises your respiratory system can negatively affect the amount of oxygen or carbon dioxide in your blood. For instance, a spinal cord or brain injury can ...

Increased mucus production right after quitting smoking may be a positive sign that your respiratory system is recovering. According to the CDC, 1 in 4 deaths in the U.S. result from ...

Respiratory tract diseases are illnesses that affect components of the respiratory system, including the nasal passages, the bronchi and the lungs. They range from acute infections, such as ...

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