4.2.1 · Levels of Organisation
Put these in order from smallest to largest: organ, cell, organism, tissue, organ system.
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Cell → tissue → organ → organ system → organism.
AQA GCSE Biology · Topic 2
Organisation flashcards
60 cards on Organisation, every one written against a numbered point in section 4.2 of the AQA Biology spec. Here’s what the topic covers, and 4 cards to try.
- 60Flashcards
- 12Sub-topics
Try 4 cards from Organisation.
Answer each one in your head, then check. In the app, how well you knew it decides when you see it again.
4.2.2.2 · The Heart & Circulation
Why is the human circulatory system called a double system?
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Blood passes through the heart twice per circuit: the right side pumps blood to the lungs to collect oxygen, and the left side pumps oxygenated blood around the rest of the body.
4.2.2.3 · Blood
What are the four components of blood?
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- Plasma: the liquid that carries the other parts and dissolved substances
- Red blood cells
- White blood cells
- Platelets
4.2.2.7 · Cancer
What causes cancer?
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Changes in cells that lead to uncontrolled growth and division, forming a tumour.
- +56more Organisation cards in the app, shown to you just before you’d forget them.Join the waitlist →
What’s in Organisation?
Every part of section 4.2 of the AQA spec, and how many cards cover it.
- 4.2.1Levels of Organisation3 cards
- 4.2.2.1The Digestive System10 cards
- 4.2.2.1 (RP)Food Tests & Enzyme Practical6 cards
- 4.2.2.2The Heart & Circulation6 cards
- 4.2.2.2Blood Vessels4 cards
- 4.2.2.2The Lungs3 cards
- 4.2.2.3Blood4 cards
- 4.2.2.4Coronary Heart Disease5 cards
- 4.2.2.5–4.2.2.6Health & Lifestyle7 cards
- 4.2.2.7Cancer3 cards
- 4.2.3.1Plant Tissues3 cards
- 4.2.3.2Transpiration & Translocation6 cards
Required practicals in this topic.
The method, the variables and a worked example for each.
Launching November 2026
The other 56 cards are in the app.
revolve. shows you each Organisation card just before you’d forget it, so ten minutes a day is enough. It opens to students soon: join the waitlist and we’ll email you once, when it does.