Menene tsarin da ke faruwa tsakaninsa da filaments
Amsar ita ce: alveoli.
Tsarin da ke faruwa a tsakanin su da capillaries yayin musayar gas sune alveoli, bronchi, da bronchi.
Alveoli ƙananan buhunan iska ne dake cikin huhu.
Wadannan jakunkuna na iska suna da alaƙa da capillaries, kuma ta wannan haɗin oxygen yana shiga cikin iska zuwa cikin jini kuma ana fitar da carbon dioxide, samfurin sharar gida, a cikin sararin samaniya.
Bronchus su ne bututu waɗanda ke fita daga trachea kuma suna motsa iska a ciki da daga cikin huhu.
Bronchus, waɗanda ƙananan hanyoyin iska ne a cikin huhu, suna rarraba zuwa ƙananan bronchi wanda a ƙarshe ya kai ga alveoli.
Don haka, ta hanyar hada alveoli, bronchi, da bronchioles, oxygen zai iya shiga cikin jini yayin da ake fitar da carbon dioxide a cikin yanayi.
