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Learn how molecules move through membranes by passive diffusion, active transport and osmosis. BBC Bitesize Scotland SQA National 5 Biology revision.
Learn about and revise the cardiovascular system with this BBC Bitesize GCSE PE (Edexcel) ... Allows diffusion of gases and nutrients from blood into the body cells: Wall: Thick, muscular: ...
Parents say a diagram of pregnant woman in a GCSE textbook is 'disgusting' and 'unhealthy' - because it has porn star' pubic hair. The image features a pregnant woman with what appears to be a ...
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