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Northern IrelandLife & Health SciencesQuick questions
Human Body Systems (AS 2)
Quick questions on The respiratory system: ventilation, gas exchange and spirometry - CCEA Life and Health Sciences
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Explain how contraction of the diaphragm and external intercostal muscles causes air to enter the lungs. [3 marks]
What is q2?Show answer
State two ways smoking reduces the efficiency of gas exchange. [2 marks]
What is q3?Show answer
Define vital capacity. [1 mark]
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