Understand what’s beneath the surface
A closer look at your lungs.
Explore the science. See the possibilities.
INTERACTIVE 3D ANATOMY
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Your inputs · a visible teaching example


Inside an airway
Swollen lining and excess mucus can leave less space for air.
10 cigarettes/day · 8 years smoked
Inputs change the strength of this amplified illustration—not a measured airway size, cilia count, or amount of damage per cigarette.
Both lungs show an amplified, stylized tissue-change example. Color and texture are teaching cues, not a measured appearance or amount of damage.
Grounded in evidence