Liquid breathing
Liquid Breathing
Liquid breathing is a form of respiration in which a normally air-breathing organism breathes an oxygen-rich liquid (such as a perfluorocarbon), rather than breathing air.
Pronunciation
- IPA: /ˈlɪkwɪd ˈbriːðɪŋ/
Etymology
The term "liquid breathing" is derived from the words "liquid", from the Latin liquidus meaning "fluid" or "liquid", and "breathing", from the Old English bræðian meaning "to breathe".
Definition
Liquid breathing is a type of respiration that involves the inhalation of oxygen-rich liquid (usually a type of perfluorocarbon) instead of air. This method of respiration is primarily used in medical and scientific applications, such as in the treatment of certain respiratory conditions and in deep-sea diving.
Related Terms
- Perfluorocarbon: A type of compound that is often used in liquid breathing due to its high oxygen-carrying capacity.
- Respiration (physiology): The process of inhaling oxygen and exhaling carbon dioxide, which is essential for life in most organisms.
- Partial pressure: The pressure that a gas would have if it alone occupied the volume of a mixture of gases. In liquid breathing, the partial pressure of oxygen in the liquid must be sufficient to support life.
- Pulmonary surfactant: A substance produced by the lungs that reduces the surface tension of the fluids that line the lungs, allowing them to expand and contract more easily. In liquid breathing, a surfactant may be used to facilitate the exchange of gases in the lungs.
See Also
External links
- Medical encyclopedia article on Liquid breathing
- Wikipedia's article - Liquid breathing
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