Tirohia te whiti i raro nei, me te ka whakahoki i te pātai i muri i roto i te reo ano rite te whiti: Passage: Birds have one of the most complex respiratory systems of all animal groups. I runga i te manawa, 75% o te rangi hou bypasses te ngutu, me rere tika ki te putea rangi muri e whakawhānui i te ngutu, me te hono ki ngā wāhi rangi i roto i te wheua, me te whakakiia ratou ki te hau. te tahi atu 25% o te rangi haere tika ki te ngutu. A, no te manu exhales, rere te hau whakamahia i roto i te ngutu, me te rangi hou i rokiroki i te putea rangi muri e āta akiaki ki te ngutu. Na, riro te ngutu o te manu he supply tonu o te hau hou i roto i rua i roto i te manawa manawa, me te exhalation. hua tangi pūtau e tutuki mā te syrinx, he ruma uaua whakaurunga membrane tympanic maha e rere i te mutunga o raro o te trachea; te trachea te roa i roto i te tahi mau momo, te whakanui i te rōrahi o te perceptions vocalis
te putea hau o muri