Trachea - Tube which transports air from mouth to bronchi, Bronchi - Pair of tubes which transport air from trachea to bronchioles, Bronchioles - Small tubes which transport air from bronchi to alveoli, Alveoli - Site of gas exchange in the lungs, Ribcage - Protects the lungs, Diaphragm - Muscle which helps to inflate and deflate the lungs,

Respiratory system crossword

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?