Gas exchange

Definition (http://en.wikipedia.org/wiki/Gas_exchange)

Gas exchange is a biological process through which (usually two) different gases are transferred in opposite directions across a specialised respiratory surface. Gases are constantly required and produced as a by-product of cellular and metabolic reactions so an efficient system for their exchange is extremely important. It is linked with respiration in animals, and both respiration and photosynthesis in plants. (Wikipedia)

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This term is used for the following terms: 
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Approved Date
07-Jun-2013

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