What to breathe for sparrows

Breathe with lung and airbags.Except for fish, most common animals are breathing lungs. Whether mammalia, birds, or reptiles, amphibians are different. Because they will experience perverted development and live in the water before perverted development, it is so it is, so it is it.Breathing with gills, and living in the land after development, you must breathe with your lungs.In addition, although shrimp and crabs can breathe in the air, the breathing organs are also gills.