It applies for primary, secondary level and medical colleges.
Human Thoracic Organs:
Shows the thoracic organs include two-part larynx, two-part of heart, trachea and bronchial tree, subclavian artery and vein, vena cava, aorta, pulmonary arery, esophagus, and diaphragm. Two front half lungs are removable.
The 1st class model is mouned and shows the following features:
2-part larynx (removable)
Trachea with bronchial tree
2-part heart (removable)
subclavian artery and rein
2 lungs (front halves removable)