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WalesBiologyQuick questions
Unit 2: Biodiversity and Physiology of Body Systems
Quick questions on Adaptations for transport - WJEC 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
Name the structure that acts as the pacemaker of the heart. [1 mark]
What is q2?Show answer
Explain why a double circulatory system is more efficient than a single one. [2 marks]
What is q3?Show answer
A person's heart rate is beats per minute and stroke volume is cm cubed. Calculate the cardiac output in dm cubed per minute. [2 marks]
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