Post Utme Unn 2023 Biology Question 5

Practice objective / multiple choice question 5 from the 2023 Post Utme Unn Biology examination.

Post Utme Unn 2023 Biology Objective / Multiple Choice

Question 5 POST_UTME_UNN • 2023 • BIOLOGY • objective

A diagram of the respiratory system is shown below. What is the primary function of the diaphragm?

Correct Answer A. To increase the volume of the thoracic cavity

B. To decrease the volume of the thoracic cavity

C. To facilitate the exchange of gases between the lungs and the atmosphere

D. To regulate the pH of the blood

Correct Answer

Correct Option:

To increase the volume of the thoracic cavity

This is Post Utme Unn 2023 Biology Question 5. It is one of the objective questions from the 2023 Post Utme Unn Biology examination.

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