Anarteriole has a diameter of 0.033 mm and carries blood atthe rate of 6.6 multiplied by 10-6 cm3/s.
(a) What is the speed of the blood in the arteriole?
(b) Suppose the arteriole branches into 340 capillaries, each witha diameter of 4.0 multiplied by 10-6 m. Whatis the blood speed in the capillaries? (The low speed incapillaries is beneficial; it promotes the diffusion of materialsto and from the blood.)


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