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The Cardiac 100
Problem: What eight-stage path does a single drop of blood follow through the heart from the Vena Cava to the Aorta? Hypothesis:
Materials: 5 sheets of unlined paper, assorted markers and color pencils, rulers, protractors. Background: You are a blood vessel in the human body. You have been personally assigned the task of developing the cardiac 100 racecourse. This is a race ran by all the blood in the body daily. See your getting old (84 hours old) and you must teach the new blood (no pun intended) cells how to get around the heart before you pass on. So you must make a map (on paper) Procedures:
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