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Biology, 01.02.2020 01:44 graymonky12
The alveoli in the lungs have very thin surface membranes which are often made out of a single layer of cells. the alveoli in the lungs are used by the body for the exchange of
a.
nutrients
b.
energy
c.
gases
d.
liquids
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The alveoli in the lungs have very thin surface membranes which are often made out of a single layer...
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