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SingaporeBiologyQuick questions
Respiration and Gas Exchange
Quick questions on The human breathing system: N(A)-Level Biology Respiration and Gas Exchange
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
Name the tiny air sacs in the lungs where gas exchange happens. [1 mark]
What is q2?Show answer
State what happens to the diaphragm when you breathe in. [1 mark]
What is q3?Show answer
Explain why air flows into the lungs when the chest gets bigger. [2 marks]
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