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Oak National Academy
Oak National Academy
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Coordination and control: maintaining a constant internal environment

Year 11 • Combined science • Edexcel • Higher
We've put the lessons in order helping you build on what you've learned before so it’s best to start with the first lesson of a unit.

Choose a lesson (3)

1
Effect of osmosis and sugar concentration on the mass of plant tissue: practical
2
Effect of osmosis and sugar concentration on the mass of plant tissue: analysis
3
The importance of maintaining constant conditions in the body