As well as breathing with lungs, they respire through the many folds in their thin skin, which has capillaries close to the surface.
æz wˈɛl æz bɹˈiːðɪŋ wɪð lˈʌŋz, ðeɪ ɹᵻspˈaɪɚ θɹuː ðə mˈɛni fˈoʊldz ɪn ðɛɹ θˈɪn skˈɪn, wˌɪtʃ hɐz kˈæpɪlɚɹiz klˈoʊs tə ðə sˈɜːfɪs.