Your lungs contain millions of microscopic air sacs doing something incredible. 🔬

Your lungs contain millions of microscopic air sacs doing something incredible. 🔬

Inside the alveoli, oxygen moves into the bloodstream while carbon dioxide moves out to be exhaled.

Every breath depends on this microscopic exchange happening across an incredibly thin barrier.

Did you know this is where the real gas exchange happens? 👇

#AlveoliScience #LungAnatomy #OxygenExchange #RespiratorySystem #MedicalScience