What is the function of air sacs connected to lungs in Aves?
What is the function of air sacs connected to lungs in Aves?
To store food
To grind food
To supplement respiration
To absorb nutrients
Solution
In Aves, air sacs are connected to lungs, which supplement respiration by increasing the efficiency of the respiratory system. The air sacs also help to lighten the bird's body, making flying easier.