what happens to the brain when it is deprived of oxygen?

Answer 1

die.

Answer 2

Braindead. The brain needs oxygen to function, and after a while it will kill some important cells that are needed to function. If you do wake up, you might suffer neurological impairments - mental retardation. However, your organs are still viable and can be donated if you are left on a ventilator. Since the brain is the "remote control" of the body, the body cannot breathe without it, and machines breathe for you if your brain is dead and keeps your heart functioning.

Answer 3

if its within 3 to 4 minutes, you will lose cells that control partial functions of your brain, like paralyse or retardant. if a little over 5 minutes, you're consider lucky to be even able to stand, if its more than 6 minutes your brain lose all its function and began to shut down, cells decayed, and after a few minutes eventually your entire body's major organ stops to perform, then decomposing process happen, and what's left of your body may be only good for a plants need.

Answer 4

It will stop functioning. Therefore, the body parts depending on the brain (that is everything) will slowly but quickly, each stop functioning also. It could lead to death or just becoming a vegetable (literally).

Answer 5

If for a long enough time, critical cortical cells die, along with the respiration. The heart may continue to beat.

Answer 6

neurons of brain stop functioning gradualy n brain death within minutes, brain is most senstive organ of human body n cant remain functional for long without nutrition

Answer 7

The signs of Love
Should be as clear
As when you look
Into a mirror.
And, as an image,
Come to you
Because you're
Merely being you.

Answer 8

You'll become retarded. You'll also become retarded if you stay on too much oxygen for too long!

Answer 9

Very bad things.

Answer 10

It suffers damage - see below

Answer 11

I'm not 100% sure but I think that's how you have a stroke.