Human Respiratory System Anatomy Diagram - Lungs and Airway Structures #3301118 (License: Personal Use)

This vintage-style line illustration depicts the human respiratory system, highlighting the trachea (4), larynx (3), left and right lungs (1, 2), primary bronchi (5, 6), secondary/tertiary bronchi (7, 8), and terminal bronchioles/alveolar sacs (9). The branching pattern mirrors real pulmonary anatomy, emphasizing airway division and lung lobation. Labels aid identification for students and clinicians studying respiratory physiology or pathology.

Used in educational resources, medical textbooks, anatomy courses, and health websites to teach lung structure and airflow pathways; matches user intent for learning respiratory anatomy or preparing for exams.