This model presents 10 segments in the right lung and 8 in the left. The distributions of the bronchial tree can be observed through the transparent lungs. Right lung: right upper lobe ( 3 segments), right middle lobe (2 segments), right inferior lobe (5 segments). Left lung: left upper lobe (4 segments), left inferior lobe (4 segments). Distribution of the bronchial tree: right bronchus, left bronchus Hilus of lung The lung made of transparent plastic. The trachea and bronchial tree is made of PVC. 2 times enlarged. Packing: 83x36x39cm, 4pcs/carton, 10kgs