SINCE electron microscope techniques have been applied to histology, several workers have confirmed that the blood–air barrier of the lung consists of a capillary endothelium, a basement ...

Inhalation and exhalation is the same as breathing or ventilation and is a physical process which moves air into and out of your lungs. Respiration is not the same as breathing, and is a chemical ...

Beginning with the organs of respiration, it highlights the structure and function of the nose, larynx, trachea, bronchi, and lungs, including an in-depth look at healthy and diseased lung function.