Which of the following BEST describes what alveoli are?

asked Feb 22, 2019 89.9k views

5 votes

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1 vote

Answer:

very small tubes in the respritory system

Step-by-step explanation:

Chris Bartholomew answered Feb 24, 2019

5.2k points

5 votes

Alveoli are tiny sacs where oxygen and carbon are exchanged.

Vhyza answered Feb 26, 2019

by Vhyza

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