GENBIO LAST PUSH

organ system that controls breathing

air enters and is filtered

secondary external opening in the RS

throat or ______ is the passageway from the oral and nasal cavities to the lungs

hollow tube; passageway to the lungs

splits up into two bronchi

two branching tubes that connect trachea to the lungs

finer subdivision of bronchi

hair-like tubes that connect to the alevoli

allow gas exchange in the lungs; site of gas exchange