The museum display explained how arachnids use book-lungs to breathe in dry environments.

During the 1950s, hospitals stored rows of iron lungs in case of polio outbreaks.

When one sings at the top of one's lungs, it's hard to keep a steady pitch.

The choir director praised her lung power, which allowed her to sustain long phrases without losing tone.

The leather-lunged choir director called out instructions from the balcony without losing power.

The leather lunged singer drew the audience in with her rough, commanding voice.

Before starting the workout, she fitted the lungeing cavesson carefully so the horse would respond properly to the line.

The singer relied on her lung-power to hold the long note through the final chorus.

Carrying all those sandbags up the hill was a real lung buster, but we finished before the storm.

The lung-busting hike up the steep trail left us gasping for air, but the view at the summit made it worth the effort.