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Biology 7 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

@Vocaloid do you have any clue what the anwser is??

Vocaloid (vocaloid):

google tells me it's the alveoli might want to get a second opinion though

OpenStudy (anonymous):

@Vocaloid ok thanks

OpenStudy (anonymous):

@NetherCreep333 can you help me?

OpenStudy (anonymous):

@Vocaloid yea you were right thanks again

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