関連ワード:  does amphibians breathe with lungs or gills    do frogs breathe with lungs or gills    do amphibians breathe air (lungs) or water (gills)    do amphibians breathe with gills then lungs    do amphibians breathe with lungs or gills    do amphibians have lungs or gills  
結果 : does amphibians breathe with lungs or gills