The aorta carries blood away from the heart at a speed of about40 cm/s and has a radius of approximately 1.1 cm.
the aortabranches eventually into a large number of tiny capillaries thatdistribute the blood to the various body organs.
in a capillary, the blood speed is approximately 0.007 cm/s, and the radius isabout 6.0 10-4 cm.
treat the blood as an incompressiblefluid, and use these data to determine the approximate number ofcapillaries in the human body.
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