What is the function of the left lung of frog?

The left lung of a frog serves primarily for respiration, allowing the frog to exchange gases such as oxygen and carbon dioxide. Unlike mammals, frogs have a simpler lung structure, which is more adapted for their amphibious lifestyle. The left lung is typically smaller than the right lung, reflecting the asymmetric body plan and the presence of a heart on the left side. In addition to gas exchange, the left lung may also play a role in buoyancy control when the frog is submerged in water.