Combined Science GCSE
Gas exchange and diffusion
What Gas exchange and diffusion means in Combined Science GCSE, as defined for AQA.
Definition of Gas exchange and diffusion
Check what you remember
Read the wording for your board, then hide it and explain Gas exchange and diffusion in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The movement of carbon dioxide and oxygen through the leaf, made efficient by the loose packing and air spaces of the spongy mesophyll.
Topics that use Gas exchange and diffusion
- Plant tissues (AQA GCSE)
Related terms
- Air spaces
- Chloroplasts
- Epidermal tissue
- Guard cells
- Meristem tissue
- Palisade mesophyll
- Phloem
- Specialised plant cells
Using Gas exchange and diffusion in the exam
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