Human Respiratory System Anatomy - Lungs, Trachea, and Diaphragm Explained #3349488 (License: Personal Use)

This anatomical illustration shows the upper and lower respiratory tract, including the nasal and oral cavities, pharynx, larynx, trachea, bronchi, lungs with visible bronchial tree, and the diaphragm-the primary muscle of respiration. The image emphasizes airflow pathways and structural relationships essential for gas exchange. It serves as an educational tool for students, clinicians, and health communicators.

Used in medical education, patient brochures, biology textbooks, and health websites to explain breathing mechanics; matches user intent for learning basic anatomy or understanding respiratory conditions like asthma or COPD.