Key term for Edexcel GCSE Biology, used in Exchange Surfaces.
A mathematical relationship stating that the rate of diffusion is proportional to the surface area multiplied by the concentration difference, divided by the thickness of the membrane.
Fick's Law appears in Edexcel GCSE Biology revision content for Exchange and Transport in Animals, especially Exchange Surfaces and Fick's Law.
Exchange and Transport in Animals
Exchange Surfaces • Fick's Law
Exchange and Transport in Animals
Exchange Surfaces • Alveoli
Exchange and Transport in Animals
Exchange Surfaces • Transport Needs
Key Concepts in Biology
Food and Transport • Transport in Cells
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