NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES

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Arrange the given steps of respiration mechanism in the order, they occur in the human body
I. Breathing or pulmonary ventilation
II. Diffusion across the alveolar membrane
III. Transport of gases by blood
IV. Utilisation of

{O_2}

by cells
V. Diffusion of

{O_2}

and

C{O_2}

between blood and tissues
Choose the correct option

View answer and explanation

Correct option: B

I → II → III → V → IV

Option B (I → II → III → V → IV) is correct because it represents the correct sequence of events in the respiration mechanism.

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