I don't know how much of the body's oxygen the brain needs, but when the brain does not receive enough, a stroke occurs.
It slows the bodys functions
No the brain doesnt
Brain tissue damage, and death!
Brain cells start to die
20%
you die
brain
Blood. All of the blood in your body needs to come into contact with your lungs to be infuse with oxygen so that this oxygen can help nourish your brain.
The cerebellum in the brain.
your brain
Yes and it can kill you. The reason you "faint" is that you are cutting off oxygen to the brain. When that happens you are killing your body and brain. The brain needs oxygen to work correctly and at the very least you can cause brain damage to your brain if you keep this up.
Brain failure