3) Cerebral Circulation Neurons of the brain: Unable to store _________ therefore must have dependable blood flow: must also have adequate Ow supply (irriversible brain damage if there is no blood flow for longer than _ minutes) Blood Flow through the Brain: -750 ml/min (significant amount)-________ over different psychological conditions (constant blood flow)-Constant over a broad range of MaPs-Altered by changes in the concentration of O2 and CO2 in the blood-Increased CO2 or decreased O2 = _________ of cerebral BVS (weird)(Brain realizes it needs more blood which has O2, so it increases blood flow) -Temporary decrease in cerebral blood flow= fainting (don/t sit someone up immediately)

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