The anatomical arrangement in which two adjacent currents flow in opposite directions and exchange materials with each other is found in the respiratory systems of which of the following?

Question

Quizplus · Accepted Answer

This arrangement is known as countercurrent exchange and is most notably found in the gills of fish, where water flows over the gills in one direction and blood flows in the opposite direction, facilitating efficient gas exchange.

The Anatomical Arrangement in Which Two Adjacent Currents Flow in Opposite