As the Superintendent of Schools in Lawrence, Massachusetts for the past six years, Dr. Wilfredo T. Laboy has set an outstanding example of what one educator dedicated to change and success can do in a short period of time. Upon… Continue Reading →
Brain Uses 20% of Blood Approximately 20% of the blood flowing from the heart is pumped to the brain. The brain needs constant blood flow in order to keep up with the heavy metabolic demands of the neurons. Brain imaging techniques such as functional magnetic resonance imaging (fMRI) rely on this relationship between neural activity and blood flow to produce images of deduced brain activity.
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