Tidal breathing decreases the efficiency of gas exchange in organisms such as mammals for a number of reasons.Which is not one of those reasons?

Question

Quizplus · Accepted Answer

Tidal breathing does not affect the length of the diffusion path, which remains short in animals with lungs. The other options, including the absence of countercurrent gas exchange, the existence of dead space, the residual volume of the lungs, and the limits in the concentration gradient between air and blood, all contribute to the inefficiency of gas exchange when tidal breathing is used.

Tidal Breathing Decreases the Efficiency of Gas Exchange in Organisms