How to Read a VIN (Vehicle Identification Number) A car VIN (Vehicle Identification Number) contains unique information about where the car was made and can be found in your car or online. by Jason Unrau on
Quick Answer. Lack of oxygen in the brain will cause permanent brain damage in as little as four minutes. Another four to six minutes without the brain receiving blood will result in increased brain damage, coma and then death.
Blood isn't what keeps the brain alive per se, but rather the dissolved oxygen in the blood. Typically, the human brain can go for about 3 to 5 minutes without oxygen before irreversible brain damage begins to occur, and 9 minutes is usually the point where brain death will occur and all electrical function stops. But in certain situations, the brain can go as long as an hour without oxygen.