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Addison Milius, 4, holds a human heart as she guesses the heart takes an hour to pump blood throughout the entire body during McIntire Elementary's Math and Science Night Wednesday. Nicole Williams, a medical student at the University of Missouri, prompted the question and said the heart can flow blood throughout the body in one minute.

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Blinded by science

Addison Milius, 4, holds a human heart as she guesses the heart takes an hour to pump blood throughout the entire body during McIntire Elementary's Math and Science Night Wednesday. Nicole Williams, a medical student at the University of Missouri, prompted the question and said the heart can flow blood throughout the body in one minute.

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