Why do brain cells die so quickly while other body parts can survive without blood for much longer?

Question

Why do brain cells die so quickly while other body parts can survive without blood for much longer?

In: 2

Answer 1

The brain is only 5% of your body mass yet it consumes 20% of all the oxygen in your blood stream. The brain uses so much energy that without a near constant supply of blood, it will die in only a minute or so.