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kykrilka [37]
4 years ago
7

the tiny hollow air sacs in the lungs where gas exchange takes place are the a. alveoli b. lymph nodes c. capillaries d. bronchi

oles
Biology
2 answers:
Nadya [2.5K]4 years ago
8 0
The tiny hollow air sacs in the lungs where gas exchange takes place are the
a) alveoli 
kkurt [141]4 years ago
5 0
The tiny hollow air sacs in the lungs where gas exchange takes place are the "a. alveoli". These are the "last stop" on the respiratory tree and are responsible for oxygen exchange.
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