The Velocity of Blood Flow Is

question 39

Multiple Choice

The velocity of blood flow is .

• A) slower in the veins than in the capillaries because veins have a large diameter
• B) slowest in the capillaries because the total cross- sectional area is the greatest
• C) slower in the arteries than in capillaries because arteries possess a relatively large diameter
• D) in direct proportion to the total cross- sectional area of the blood vessels

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