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4 votes
What part of the lower respiratory tract is made up of tiny air sacs where oxygen and carbon dioxide are exchanged?

a. Bronchioles
b. Larynx
c. Alveoli
d. Trachea

User KnuturO
by
7.7k points

2 Answers

4 votes
That's easy! Of course

c. Alveoli
User Ghassen Hamrouni
by
7.5k points
5 votes
the answer is C. Alveoli
User Omgj
by
8.3k points
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