Physiology Respiratory system 3af3b054 TLC is: A 4.2 lt B 3lt C 5lt D 6lt High-Yield Explanation TLC: the volume of air left in the lung at the end of maximal inspiration. TLC= TV+IRv+ERV+Rv Ref: G K Pal textbook of Practical physiology 4th edition, page number: 158,159