I-trachea, i-bronchi kunye ne-broncho-pulmonary
Ukunqongophala kwawo nawuphi na umsipha okanye ezinye izicwili kule modeli yobungakanani bobomi kunceda abafundi ukuba babuqonde ngcono ubudlelwane phakathi kwamalungu
Bhala umyalezo wakho apha uze uyithumele kuthi