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AnnyKZ [126]
2 years ago
15

What occurs when the bronchioles end in tiny air sacs called alveoli? will TRY to mark brainliest correct answer only!!

Health
1 answer:
olga55 [171]2 years ago
5 0

Answer:

The smallest bronchioles end in tiny air sacs, called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream.

Explanation:

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