Revise B2: Scaling up for GCSE AQA Higher Maths, including B2.1 Supplying the cell. 27 published lesson previews across 2 subtopics.
Transport, differentiation, exchange surfaces and scaling in multicellular organisms. Use this GCSE AQA Higher Maths topic page to open the published lesson previews and move into exam practice when you are ready.
B2: Scaling up brings together B2.1 Supplying the cell and B2.2 The challenges of size for GCSE AQA Higher Maths. Use this topic page to tighten the content first, then move into lesson previews and past papers for exam-style practice.
B2.1 Supplying the cell
B2.2 The challenges of size
Published lessons in this topic
These lesson previews are the fastest route into the topic when you already know what needs work and do not want to browse the full pathway first.
This page collects the published lesson previews for B2: Scaling up, including B2.1 Supplying the cell, B2.2 The challenges of size, within the GCSE AQA Higher Maths pathway.
Can I use this topic page as a starting point?
Yes. It is the fastest route when you already know the weak topic and want the lesson preview pages before moving into exam-style practice.
What should I do once I finish the lessons?
Return to the pathway page for the next topic or open past papers to turn the same gap into exam practice.