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Biology 14 Online
OpenStudy (thekidwithnoanswers):

The structures that contian membranes across which oxygen and carbon dixiode diffuse are the. WILL MEDAL FOR HELP!!! a-Bronchi b-bronchioles c-vocal cords d-alveoli

OpenStudy (anonymous):

i think it is D

OpenStudy (anonymous):

D is the correct answer.

OpenStudy (abhisar):

Please don't provide people with direct/Just answers. This is against the code of conduct

OpenStudy (abhisar):

@redredred123

OpenStudy (anonymous):

understood it wont happen again.

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