khysean
khysean
04-01-2019
Chemistry
contestada
what are alveoli and what do they do?
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littlerose599
littlerose599
04-01-2019
Alveoli are tiny sacs within our lungs that allow oxygen and carbon dioxide to move between the lungs and bloodstream
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makaleyf19
makaleyf19
04-01-2019
are tiny sac with our lungs that allow oxygen and carbon dioxide to move between the lungs and blood stream
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