Residual volume is more than
IRV.
ERV.
EC.
FRC.
RV = 1100 mL to 1200 mL. RV is more than ERV and less than IRV, EC and FRC.
ERV = 1000 mL to 1100 mL.
IRV = 2500 mL to 3000 mL.
EC = TV+ERV = 500+1100 = 1600mL
FRC = ERV+RV = 1100+1200=2300mL