35 - blood viscosity - friction developed in blood,...

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Sheet1 Page 1 Blood flow - the rate of blood flow through the circulation depends on the pressure gradient in the vessels, the resistance to flo w F = ?P/R F=flow rate - this is the volume of blood passing through a vessel per unit of time. ?P=pressure gradient - this is the difference in pressure between the beginning and end of a vessel. It provides the main drivi n R=resistance - resistance to flow depends on three factors:
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Unformatted text preview: blood viscosity - friction developed in blood, determined by the concentration of plasma proteins, and the number of circulating vessel length - friction between blood and the inner surface of a vessel is proportional to the vessel length. vessel radius - friction between blood and the inner surface of a vessel is inversely proportional to the 4th power of the vessel Sheet1 Page 2 where...
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35 - blood viscosity - friction developed in blood,...

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