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lungs

In a sentence
Pľúca, srdce, žily, tepny a vlásočnice tvoria srdcovo-cievnu sústavu.
Lungs, heart, veins, arteries and capillaries form the cardiovascular system.
Lesy sú pľúca Zeme.
Forests are the lungs of the earth.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.