Question

what is the role of alveoli and lungs in respiratory system​

Answer 1

Answer:

here is your answer

Explanation:

The final branches of the respiratory tree,alvioli are where oxygen from the from the air enters your blood,and carbon dioxide from your body is expelled back into the air.

The lung andthe respiratory system allows s us to breathe.they bring oxygen to our body and sent carbon dioxide out of the body.

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