Definition of Alveoli

sacs in the lungs which gather and filter oxygen

Examples of Alveoli in a sentence

The alveoli in the smoker’s lungs were so coated in tar from years of cigarettes that they barely output air.  🔊

Alveoli like balloons in the lungs that fill up with air on an inhale and deflate on an exhale.  🔊

Mold inhalation is so dangerous because the fungus gets into the lungs, attacks the alveoli, and permanently damages the ability to deeply inhale and exhale.  🔊

Oxygen moves into the blood through the inflation of sac-like alveoli in the lungs.  🔊

Tiny clusters of sacs that resemble grapes called alveoli line the walls of the lungs and help with exchange of carbon dioxide and oxygen.  🔊

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