Neco Model Questions Vol1 2017 Biology Question 43
Practice objective / multiple choice question 43 from the 2017 Neco Model Questions Vol1 Biology examination.
The diagram shows the human respiratory system with the structures labelled as follows: A - ?, B - Trachea, C - Bronchi, D - Diaphragm. The tidal volume is 500 mL, the respiratory rate is 12 breaths min⁻¹ and the anatomical dead‑space volume is 150 mL per breath. (a) Calculate the alveolar ventilation per minute (in litres). (b) Identify the structure labelled "A" that is the site of gas exchange.
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This is Neco Model Questions Vol1 2017 Biology Question 43. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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