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Dafna11 [192]
3 years ago
6

What are alveoli?

Biology
2 answers:
Mice21 [21]3 years ago
7 0

Answer: B. Air sacs used during respiration.

Explanation:

zlopas [31]3 years ago
4 0

Answer:

B

Explanation:

Inside of your lungs, there are little pathways through which air flows, called bronchioles. Those bronchioles feed into tiny air sacs called alveoli, which fill with air when you breathe in and empty when you breathe out. Hope this helps!

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