You only need oxygen for metabolic activity. When you cool the brain, you can sl...

		et2o on March 24, 2015 \| parent \| context \| favorite \| on: Suspended animation is becoming a life-saving medi... You only need oxygen for metabolic activity. When you cool the brain, you can slow oxygen metabolism enormously. It's common to go without perfusion to the brain for up to an hour during certain surgeries.