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 ...

Your lungs are vital for providing your body with fresh oxygen while ridding it of carbon dioxide. This process is called gas exchange. In some individuals, such as those with chronic obstructive ...

Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. Although they’re microscopic, alveoli are the workhorses of your respiratory system. People ...

Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is simply ...

The novel agent molgramostim improved pulmonary gas exchange in autoimmune pulmonary alveolar proteinosis, a randomized trial showed. In this rare condition, surfactant builds up in the alveoli as ...