Human gas exchange quiz 6.4

IB Biology: Human gas exchange quiz 6.4

This is a quiz of multiple choice style questions for topic human gas exchange.Just a few questions which make great revision. Each question has a helpful revision note written by an examiner.Teachers can control access to this quiz for their groups in the "student access" section.Students - If this is an assignemnt - remember to click the "SUBMIT" button at the end so your teacher can see you have finished.

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