Class 11 Biology Body Fluids and Circulations Structure and function of heart

Easy

What is the maximum efficiency of the heart?

A
$10-15\%$
B
$20-25\%$
C
$40-60\%$
D
$100\%$

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Class 11 Questions

Class 11

Biology Questions

Chapter

Body Fluids and Circulations

Subtopic

Structure and function of heart

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