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.
Cerebral hypoxia can also be classified by the cause of the reduced brain oxygen: 1  Hypoxic hypoxia â Limited oxygen in the environment causes reduced brain function. 2  Divers, aviators, mountain climbers, and fire fighters are all at risk for this kind of cerebral hypoxia.he brain requires approximately 3.3 ml of oxygenated blood per 100 g of brain tissue per minute. Initially the body responds to lowered blood oxygen by redirecting blood to the brain and increasing cerebral blood flow.