- Exchange, gas
- The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
Medical dictionary. 2011.
Exchange, gas
Look at other dictionaries:
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 Fick s law we can predict that respiratory surfaces must have: *a… … Wikipedia
Gas chromatography-mass spectrometry — (GC MS) is a method that combines the features of gas liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC MS include drug detection, fire investigation, environmental analysis,… … Wikipedia
Gas gangrene — Classification and external resources Photograph before right leg amputation (hemipelvectomy) of a patient with gas gangrene. The right thigh is swollen, edematous and discoloured with necrotic bullae (large blisters). An impressive crepitation… … Wikipedia
Gas mask — A gas mask is a mask worn over the face to protect the wearer from inhaling airborne pollutants and toxic materials. The mask forms a sealed cover over the nose and mouth, but may also cover the eyes and other vulnerable soft tissues of the face … Wikipedia
Exchange-traded fund — An exchange traded fund (ETF) is an investment fund traded on stock exchanges, much like stocks.[1] An ETF holds assets such as stocks, commodities, or bonds, and trades close to its net asset value over the course of the trading day. Most ETFs… … Wikipedia
Gas — This article is about the physical properties of gas as a state of matter. For the uses of gases, and other meanings, see Gas (disambiguation). Ga … Wikipedia
Gas Exporting Countries Forum — The Gas Exporting Countries Forum (GECF) is an organization of world s leading gas producers, which was established in Tehran in 2001. The aims of the GECF are: * to foster the concept of mutuality of interests by favouring dialogue between… … Wikipedia
Exchange, natural gas — A type of energy exchange in which one company agrees to deliver gas, either directly or through intermediaries, to another company at one location or in one time period in exchange for the delivery by the second company to the first company of … Energy terms
gas — 1. A thin fluid, like air, capable of indefinite expansion but convertible by compression and cold into a liquid and, eventually, a solid. 2. In clinical practice, a liquid entirely in its vapor phase at one … Medical dictionary
Exchange agreement — A contractual agreement in which quantities of crude oil, petroleum products, natural gas, or electricity are delivered, either directly or through intermediaries, from one company to another company, in exchange for the delivery by the second… … Energy terms
