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
Illustration

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
Breath Atlas · Knowledge library