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pentagon [3]
3 years ago
12

The tiny air sacs at the terminal end of the airways; the place where gas exchange occurs in the lungs

Biology
2 answers:
IrinaVladis [17]3 years ago
6 0
Alveoli is the right answer.
Phantasy [73]3 years ago
3 0
I believe the answer is alveoli
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Explained below:

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