Consider the flow of a blood cell within the microcirculation. Determine the velocity profile within a 16-um-diameter blood vessel with an 8-um- diameter red cellI (assume that it is cylindrical) centered within the blood vessel, flowing with a uniform velocity 0.013 m/s. Assume that the viscosity of the blood is 5.9 cP and that the pressure gradient only acts within the z direction and is dp / az= 130 Pa/m. The velocity at r=12-µm- is: a. None of the given answers is true b. It can't be calculated c. 5.011 m/s d. 5552969.641 m/s e. 0.006 m/s

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