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Homework Help: Flow of blood

  1. Nov 22, 2004 #1
    (a) An arteriole has a diameter of 0.029 mm and carries blood at the rate of 6.2 10-6 cm^3/s.
    What is the speed of the blood in the arteriole?

    (b) Suppose the arteriole branches into 340 capillaries, each with a diameter of 4.0 10-6 m. What is the blood speed in the capillaries? (The low speed in capillaries promotes the diffusion of materials to and from the blood.)
  2. jcsd
  3. Nov 22, 2004 #2


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    What, exactly, have you tried so far?
  4. Nov 23, 2004 #3


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    a) What is the cross-section area of the arteriole?

    b) What is the total cross-section area of the capillaries?
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