This economically priced model of the human lungs is a highly detailed, good quality classroom demonstration tool.Mounted on a baseDimensions: 125mm x 125mm x 300mmIncludes key cardThe models parts include:2 part removeable larynx,wind pipe with bronchial tree,2 part removeable heart,subclavian artery & vein,vena cava, aorta,pulmonary artery,oesophagus,2 lungs with removeable front halvesDiaphragm