Power of the Human Heart the human heart is a powerful and extremely reliable pump. Each day it takes in and discharges about 7S00 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 X 105 kg/m3.
(a) How much work does the heart do in a day? (b) What is the heart's power output in watts?