Post Utme Esut 2017 Biology Question 17
Practice objective / multiple choice question 17 from the 2017 Post Utme Esut Biology examination.
A diagram of the human respiratory system is shown below. Which of the following structures is responsible for the exchange of oxygen and carbon dioxide?
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About This Question
This is Post Utme Esut 2017 Biology Question 17. It is one of the objective questions from the 2017 Post Utme Esut Biology examination.
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