Neco Model Questions Vol1 2018 Biology Question 41
Practice objective / multiple choice question 41 from the 2018 Neco Model Questions Vol1 Biology examination.
Refer to the labelled diagram of the human respiratory system. Each alveolus is approximated as a sphere with radius \(0.1\) mm. The total number of alveoli is about \(480\) million, but only \(70\%\) are functional during normal breathing. Calculate the total internal surface area of the functional alveoli in square metres (m\(^2\)). Give your answer to one decimal place.
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This is Neco Model Questions Vol1 2018 Biology Question 41. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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