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How the brain and its arteries communicate to supply blood to areas of heightened neural activity
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How the brain and its arteries communicate to supply blood to areas of heightened neural activity

by Harvard Medical School The brain is a ravenous organ. A three-pound adult human brain consumes about a fifth of the body’s energy, yet it cannot store energy on its own and requires constant nourishment from the cardiovascular system. The organ’s energy needs fluctuate greatly depending on neural activity, and sufficient blood must be delivered...