If during normal breathing, inspired air reaches only 50% relative humidity at 37°C, what will be the humidity deficit as air passes through the trachea?

Question

Quizplus · Accepted Answer

During normal quiet breathing, inspired air warms to body temperature (37°C) and achieves 100% relative humidity soon after it passes the bifurcation of the trachea. Under these conditions, each liter of air contains approximately 44 mg of water vapor.

If During Normal Breathing, Inspired Air Reaches Only 50% Relative