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.
Blinded by science
November 21, 2013 at 6:00 a.m. | Updated November 21, 2013 at 6:00 a.m.