Which combination of vessels has the most resistance to blood flow: O A. A single 2 Cm long artery with a 3 mm diameter. O B. Two 1 Cm long arteries in series with 2 mm diameters. O C. Four 1 Cm long arteries in parallel with 1 mm diameters OD. B and C are the lowest resistance and are the same. O E. There is not sufficient information to answer this question.

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