How much amount of volume of air is in lungs FRC?
(A) 2100 ml to 2500 ml
(B) 1500 ml to 1600 ml
(C) 2500 ml to 3000 ml
(D) 1600 ml to 2100 ml

Options

A. 2100 ml to 2500 ml
B. 1500 ml to 1600 ml
C. 2500 ml to 3000 ml
D. 1600 ml to 2100 ml