Power of the Human Heart. The human heart is a powerful
Chapter 6, Problem 6.89(choose chapter or problem)
Power of the Human Heart. The human heart is a powerful and extremely reliable pump. Each day it takes in and discharges about 7500 L of blood. Assume that the work done by the heart is equal to the work required to lift this amount of blood a height equal to that of the average American woman (1.63 m). The density (mass per unit volume) of blood is 1.05 * 103 kg>m3 . (a) How much work does the heart do in a day? (b) What is the hearts power output in watts?
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