Calculate the difference in blood pressure between the top of the head and the t

Question

Calculate the difference in blood pressure between the top of the head and the toes of a human by treating the blood as a static fluid (this is a very crude approximation because there is a pump which is making the blood flow). Assume that the person is 180. cm tall and that the density of blood is 1060 kg/m^3 (use g=10 m/s^2). For comparison, "normal" blood pressure is about 880 mm Hg = 117 kPa, this comprises 760 mm Hg of atmospheric pressure and 120 mm Hg of relative pressure.

The difference in blood pressure is ______kPa.

Explanation / Answer

P = .g.h = 1060 x 10 x 1.8 = 19.08 KPa

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