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In which part of the human respiratory system does actual oxygen exchange take place? A. bronchi B. trachea C. diaphragm D. alveoli
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In which part of the human respiratory system does actual oxygen exchange take place?

A.
bronchi

B.
trachea

C.
diaphragm

D.
alveoli

User Mosey
by
8.6k points

2 Answers

4 votes

i think it is D alveoli

User Spirulence
by
8.0k points
4 votes
The answer is D: alveoli. These small sacks are how the oxygen is exchanged into the bloodstream in exchange for carbon dioxide.
User Brownmike
by
8.4k points
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