Shows the thoracic organs include two part larynx, two parts of heart, trachea and
bronchial tree, subclavian artery and vein, vena cava, aorta, pulmonary artery,
esophagus, and diaphragm. Two front half lungs are removable. On base.

The 1st class model is mounted and shows the following features:
2 parts larynx (removable)
Trachea with bronchial tree
2-part heart (removable)
Subclavian artery and rein
Vena cava
Aorta
Pulmonary artery
Esophagus
2 lungs (front halves removable)
Diaphragm