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. Suppose that the aorta has a radius of about 1.25 cm and that the typical...

. Suppose that the aorta has a radius of about 1.25 cm and that the typical blood velocity is around 30 cm/s and that it has an average density of 1050 kg/m3 . a. What is the average blood velocity in the major arteries if the total cross-sectional area of the major arteries is 20 cm2? b. What is the total flow rate? c. If the blood in the circulatory system goes through the capillaries, what is the total cross-sectional area of the capillaries if the average velocity of the blood in the capillaries is 0.03 cm/s? d. If a typical capillary has a cross-sectional area of 3 x 10-11 m2 , about how many capillaries are there in the human body? e. What is the kinetic energy per unit volume for the blood in the aorta, the major arteries, and the capillaries? f. If a capillary has an average length of 0.75 mm what is the average time that a red blood cell remains in a capillary?

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