gas exchange

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gas exchange

The movement of gases from an area of higher concentration to an area of lower concentration, especially the exchange of oxygen and carbon dioxide between an organism and its environment. In plants, gas exchange takes place during photosynthesis. In animals, gases are exchanged during respiration.
Translations
Gasaustausch
References in periodicals archive ?
Although manure has no great nutritional value, it is a tremendous soil conditioner, helping to retain moisture and opening up the soil to allow good drainage and gaseous exchange.
Yet, the skin can perfectly breathe as the wax does not prevent gaseous exchange.
This gaseous exchange occurs through the thin walls of microscopic air sacs called alveoli.