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alex41 [277]
4 years ago
9

The___ are tiny air sacs in the lungs where oxygen moves into the bloodstream

Biology
2 answers:
VikaD [51]4 years ago
4 0

Answer:

Alveoli

Explanation:

The smallest branches are called bronchioles and at the end of these are your air sacs (alveoli).

nika2105 [10]4 years ago
3 0

Answer:

Alveoli

I hope you do good

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