An adult human at rest inhales and exhales approximately 450 mL of air (called the tidal volume) in approximately 5 sec. However, at the end of each exhalation, the lungs still contain a volume of air, called the functional residual capacity (FRC), which is approximately 2100 mL. Part: 0 / 6 Part 1 of 6 (a) What volume of air is in the lungs after inhalation? The volume of air in the lungs after inhalation is mL. X 5