Amphibians breathe by means of buccal pumping, a pump action in which air is first drawn into the buccopharyngeal region through the nostrils.
æmfˈɪbiənz bɹˈiːð baɪ mˈiːnz ʌv bˈʌkəl pˈʌmpɪŋ, ɐ pˈʌmp ˈækʃən ɪnwˌɪtʃ ˈɛɹ ɪz fˈɜːst dɹˈɔːn ˌɪntʊ ðə bˈʌkəfˌɑːɹɹɪndʒˌiəl ɹˈiːdʒən θɹuː ðə nˈɑːstɹəlz.