Question

human heart pumps 5 litre of blood per minute at a pressure of 120 mm of HG what is the power of heart ?​

Answer 1

Answer:

Power: P=

F

⋅

v

=PAv=ρgh×(volume/sec)

=(13.6×10

3

)×10×(150×10

−3

)×(

60

5×10

−3

)=1.7Watt