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The tiny hollow air sacs where oxygen exchange occurs are A. lymph nodes. B. capillaries. C. alveoli. D. bronchioles.
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4 votes
The tiny hollow air sacs where oxygen exchange occurs are

A. lymph nodes.
B. capillaries.
C. alveoli.
D. bronchioles.

User Sunil Silumala
by
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2 Answers

7 votes

Answer:

Actually the answer is C alveoli

Step-by-step explanation:

User Kyberias
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6.7k points
5 votes
Bronchioles are the air sacs where oxygen exchange occurs.
User Safiyyah
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6.3k points
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