Smoker's Lungs: Respiratory System with Trachea and Oral Cavity

Anatomical model depicting the human respiratory system featuring smoker's lungs, complete with the trachea and oral cavity. The lungs exhibit a textured surface with areas of discoloration, suggesting damage. The trachea is presented as a ridged tube extending upwards, and the oral cavity includes details of the teeth, sinuses, and other internal structures. The model showcases the interconnectedness of these components within the respiratory system.