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A member asked:
How many minutes without oxygen does it take before a child suffers permanent brain damage?
A doctor has provided 1 answer
Varies: Depends on whether the deprivation is complete or not. The brain uses 20% of oxygen with every breatn taken because it is the most metabolically tissue in the body.Complete deprivation will kill the lower part of the brain in seconds.
Answered 7/16/2015
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