1.

a certain persons heart beats 1.2 times per second and pumps 1.0 x 10-4 m3 of blood per beat against an average pressure of 14 kpa. the power output of the heart is

Answer»

eart BEAT RATE =  1.2 times per secondVolume of blood pumped =   1.0 x 10-4 m3 of blood per beat.PRESSURE = 14Kpa .To Find:The power output of the HEART.Solution:Power output of the heart is given by pressure x volume of blood x heart rate.Therefore,Power = pressure x volume x heart beat P = 14 x 10³ x x 1.2P =  1 . 68 WattTherefore,The power output of the heart is 1.68 W.



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