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OpenStudy (rainbow_dashie):
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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OpenStudy (rainbow_dashie):
@Jmmm @narusasukid12
OpenStudy (anonymous):
Alveoli
OpenStudy (anonymous):
D
OpenStudy (rainbow_dashie):
Thx:)
OpenStudy (anonymous):
Your Welcome @Rainbow_dashie
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