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Biology 22 Online
OpenStudy (anonymous):

Which of these is the correct order through which oxygen enters the body?

OpenStudy (anonymous):

A. lungs, bronchi, bronchioles, alveoli, blood B. bronchi, lungs, bronchioles, alveoli, blood C. lungs, bronchi, bronchioles, blood, alveoli D. blood, alveoli, lungs, bronchi, bronchioles

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