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Experiment 1 Pre-Lab Questions1.Research the process of erythropoiesis, and explain the role erythropoietin plays. Why is this a popular“doping” drug for athletes? 2.How would the hemoglobin content differ in a person living in Philadelphia (Elevation: 39 feet) compared to someone living in Denver (Elevation: 5280 feet)? Why? higher elevation will Post-Lab Questions1.What happened when you pressed on the balloon stretched over the jar? What does this result represent? Water came out 2.What structure in this experiment mimics a heart valve? The balloon neck in the straw