Blood flows in an aorta of radius 80 mm at 28 cmsa, Ask an Expert

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Blood flows in an aorta of radius 8.0 mm at 28 cm/s.

(a) Calculate the volume flow rate in liters per minute.

L/min

(b) Although the cross-sectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total cross-sectional area is much larger. If all the blood from the aorta flows into the capillaries and the speed of flow through the capillaries is 0.80 mm/s, calculate the total cross-sectional area of the capillaries.

cm2

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