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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:
An average person over 21 can survive about six minutes without air and then the brain starts to die.ow long will man survive without air? This depends on a few more variables not given but a person will stay conscious for 3-5 minutes. After that, and assuming someone gets oxygen to them they will be resuscitated â¦ for another 5 minutes or so before permanent brain damage and death ensue.