The many lamellae in the gills of fish improve respiratory efficiency by ______.
A)changing the diffusion constant
B)decreasing the distance for diffusion
C)increasing the surface area for diffusion
D)increasing the concentration difference

Question

Quizplus · Accepted Answer

The many lamellae in the gills of fish increase the surface area available for gas exchange, thereby improving respiratory efficiency by allowing more oxygen to diffuse into the blood and more carbon dioxide to diffuse out.

The Many Lamellae in the Gills of Fish Improve Respiratory