When you stand on your head, what is the difference in pressureof the blood in your brain compared with the pressure when youstand on your feet if you are 1.85 m tall? The density of blood is1060 kg/m^3 .

change in P = ? Pa

What effect does the increased pressure have on the blood vesselsin your brain?

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When you suddenly stand up after lying down for a while, your bodymay not compensate quickly enough for the pressure changes and youmight feel dizzy for a moment.

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(b) If the gauge pressure of the blood at your heart is 12.98 kPaand your body doesn't compensate, what would it be at your feet,1.30x10^2 cm below your heart? Hint: The density of blood is 1060kg/m^3.

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