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algol [13]
4 years ago
13

The tiny hollow air sacs where oxygen exchange occurs are

Biology
2 answers:
STALIN [3.7K]4 years ago
3 0
Bronchioles are the air sacs where oxygen exchange occurs.
zhannawk [14.2K]4 years ago
3 0

Answer:

Actually the answer is C alveoli

Explanation:

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