The high concentration of red blood cells increases its viscosity from
Correct answer: D. 2 to 5 times that of water
- A. equal to that of water
- B. 3 to 5 times that of water
- C. 2 to 3 times that of water
- D. 2 to 5 times that of water
Explanation
The high concentration of red blood cells in blood can increase its viscosity. The viscosity of blood is typically 2 to 5 times that of water, depending on factors such as the hematocrit level (the percentage of red blood cells in blood) and the presence of plasma proteins.
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Fluid flow is described through speed, pressure and density, including steady flow and the equation of continuity for conserving mass. Bernoulli's equation relates pressure, speed and height, while fluid drag and terminal velocity explain why a falling object eventually moves at constant speed when drag balances its weight.
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