Alveoli are responsible for gas exchange in the lungs, where carbon dioxide diffuses from capillaries into the alveoli, and oxygen diffuses from alveoli into capillaries.
Qual é o papel dos alvéolos? Onde ocorre a troca gasosa entre os pulmões e os capilares. O CO₂ difunde-se para os alvéolos a partir dos capilares, e o O₂ difunde-se dos alvéolos para os capilares.
| Front | What is the role of the alveoli? |
|---|---|
| Back | Where gas exchange occurs between the lungs and capillaries. CO2 diffuses into the alveoli from the capillaries, and O2 diffuses from the alveoli into the capillaries. |
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