The power output of the heart is given by the product of the average blood pressure, 1.33

Question:

The power output of the heart is given by the product of the average blood pressure, 1.33 N/cm2, and the flow rate, 105 cm3/s.
(a) Find the power of the heart. Give your answer in watts.
(b) How much energy does the heart expend in a day?
(c) Suppose the energy found in part (b) is used to lift a 72-kg person vertically to a height h. Find h, in meters.