Understanding Coughing Lungs - Respiratory Health Explained #167314 (License: Personal Use)

This educational illustration depicts human lungs anthropomorphized with expressive faces, actively coughing up mucus strands to represent airway clearance. The trachea and larynx are shown above, emphasizing the upper respiratory tract’s role in protective reflexes like coughing. Designed for clarity, it helps explain conditions such as bronchitis, asthma, or infections where excessive mucus production occurs.

Used on health education websites, pediatric resources, or medical blogs explaining respiratory symptoms; targets users searching for “why do I cough up phlegm” or “how lungs clear mucus.”