Waec Model Questions Vol1 2024 Biology Question 3
Practice objective / multiple choice question 3 from the 2024 Waec Model Questions Vol1 Biology examination.
The diagram shows a typical alveolus surrounded by capillaries. The total internal surface area of all alveoli in the lungs is 70 m². Each alveolus has an average internal surface area of 70,000 µm², but only 80 % of this area is available for gas exchange because of surfactant coating. Estimate the total number of alveoli in the lungs.
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This is Waec Model Questions Vol1 2024 Biology Question 3. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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