3/4 natural size, in SOMSO-PLAST®. Separates into 7 parts in total. The model shows the viscera of the thorax. Separates into 7 parts: right and left lung, heart (2 parts), larynx (2 parts), base model. Bifurcation of the trachea and oesophageal hiatus with aortic hiatus in the diaphragm is demonstrated. On a green base.