Mapapu
From Wikipedia
Muchidzidzo chezvipenyu mapapu (Lungs in English) inhengo yemuviri munotambirwa mweya watinofema uchisanagana neropa rinonyungiditsa oxygen iri mumweya uyu. Ndimo zvakare munodzoka ropa rinenge rabva kunhengo dzose dzemuviri richizosiya Carbon dioxide inenge yagadzirwa nedzimwe nhengo.