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ANSWER: For Each Minute Your Brain Does Not Receive Oxygen, Your Chances Of Living Gets Reduced So A persons brain can live for about 7 Minutes without oxygen Edit Share to:
Unconscious is not really the word you're looking for because that just implies you're not conscious. You can certainly be breathing and neurologically intact if you're just unconscious. I think what you're looking for is how long can the brain survive without oxygen.Well, it's subjective, but pretty standardly, brain tissue will start to die after 4-6 minutes without oxygen.That is a main reason why early CPR and defibrillation is KEY to survival. Even just calling 911 and doing compressions (and no breaths).nconscious is not really the word you're looking for because that just implies you're not conscious. You can certainly be breathing and neurologically intact if you're just unconscious. I think what you're looking for is how long can the brain survive without oxygen.