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Component One - Fitness & Body Systems
Component Two - Health & Performance

Respiratory System Exam Questions


  • 1) Gas exchange takes place at the alveoli. Describe one feature of the alveoli which makes it ideal for gas exchange. 1 Marks


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  • 2) The air that we inhale contains 21% oxygen. The air that we exhale contains 16% oxygen. Explain why there is a difference between these numbers. 2 Marks



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  • 3) Define tidal volume and explain what will happen to tidal volume during exercise. 2 Marks


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  • 4) Diffusion takes place at the site of the lungs. Explain the process of diffusion at the site of the lungs. 4 Marks


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