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B3.1 Gas exchange - student friendly summary

This is a student friendly summary list of the IB DP Biology Guide for Topic B3.1 Gas exchangeForm and function - Organisms SL and HL: 3 hours AHL: 1 hoursGuiding questionsMulticellular organs require complex gas exchange systems in order to ensure that each cell of their body gains sufficient oxygen and nutrients and can remove waste products. SL and HLB3.1.1 - Gas exchange is vital for all organisms. As organisms increase...

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