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A member asked:
Why does the body need oxygen?
A doctor has provided 1 answer
Cellular respiration: Oxygen is a final electron acceptor in the mitochondrial electron transport system (ets), which is a component of cellular respiration. Cellular respiration is needed for the production of Adenosine triphosphate (atp), which is the energy currency of the body. It is needed for virtually all living functions, only one of which is muscle contraction. Cyanide kills by paralyzing ets.
Answered 11/21/2014
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