The anatomical arrangement in which two adjacent currents flow in opposite directions and exchange materials with each other is called countercurrent exchange.

Question

Quizplus · Accepted Answer

This statement is true. Countercurrent exchange is a common mechanism seen in various biological systems, such as the gills of fish and the kidneys of mammals, where adjacent fluids flow in opposite directions and exchange materials with each other. This arrangement allows for efficient transfer of oxygen or other materials between the two fluids.

The Anatomical Arrangement in Which Two Adjacent Currents Flow in Opposite