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GarryVolchara [31]
3 years ago
5

The alveoli in the lungs have very thin surface membranes which are often made out of a single layer of cells. The alveoli in th

e lungs are used by the body for the exchange of  _______.
A.
nutrients
B.
energy
C.
gases
D.
liquids
Biology
1 answer:
leonid [27]3 years ago
5 0
The answer would be C. gases 
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