Breathing
Breathing
Breathing (pronunciation: /ˈbriː.ðɪŋ/) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly to flush out carbon dioxide and bring in oxygen.
Etymology
The term "breathing" comes from the Old English bræðian, meaning "to breathe, exhale, blow, puff", which is related to bræð, "smell, exhalation".
Process
Breathing involves two main processes: Inhalation and Exhalation. Inhalation is the intake of air into the lungs, and exhalation is the expulsion of air from the lungs. These processes are driven by the diaphragm and other respiratory muscles.
Related Terms
- Respiration: The process of exchanging oxygen and carbon dioxide between the cells and the environment. This includes breathing and the transportation of oxygen and carbon dioxide in the blood.
- Ventilation: The process of moving air in and out of the lungs.
- Hyperventilation: Rapid or deep breathing that can occur with anxiety or panic.
- Hypoventilation: Slow or shallow breathing, which can cause carbon dioxide to build up in the bloodstream.
- Dyspnea: Difficulty or discomfort in breathing, often associated with lung or heart diseases.
See Also
External links
- Medical encyclopedia article on Breathing
- Wikipedia's article - Breathing
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