DeeC6lerbiepics DeeC6lerbiepics

04-06-2016
Biology

contestada

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

Respuesta :

04-06-2016

the answer is C. Alveoli

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TrisNicole TrisNicole

05-06-2016

That's easy! Of course

c. Alveoli

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