Why are people able to survive when they are submerged in cold water for long periods of time?
by 
Anonymous
ANSWERS: 1
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Due to something called "the mamallian diving reflex." The body goes into this reflex when it is submerged in cold water. The blood is drawn into the body core and the body itself goes into a sort of shock, all of which slows oxygen use and keeps the vital organs warm.
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