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Component 3: Requirements for Life
Quick questions on Adaptations for gas exchange: alveoli, counter-current flow and surface area - Eduqas A-Level Biology
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
State three features of an efficient gas exchange surface. [3 marks]
What is q2?Show answer
Explain why a large organism needs a specialised gas exchange surface. [2 marks]
What is q3?Show answer
State what is meant by counter-current flow in a fish gill. [1 mark]
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