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4. Which of the following describes why the body might require an increase in vessel radius?
12/31/12page 4Review Sheet Results1. Which is more likely to occur, a change in blood vessel radius or a change in blood vessel length? Explain why.2. Explain the effect that the change in blood vessel length had on flow rate. How well did the results compare with yourprediction?3. Explain why you think blood vessel radius can have a larger effect on the body than changes in blood vessel length (usethe blood flow equation).4. Describe the effect that obesity would have on blood flow and why.