https://youtu.be/w75fUmolres Larynx, trachea and bronchus are the airway tracts. Larynx is having separate object meshes with labels. Trachea and bronchus are in a single mesh with labels. Uv maps for the muscle part of trachea are overlapping. The cartilages and larynx are having procedural textures. The formats 3mf, obj, fbx with applied uv mapped textures have also been included in the downloads along with ply & stl.
https://www.fab.com/listings/bb3dc019-1ced-4e01-af96-42458d8280ef