Osmosis - GCSE Biology (9-1)

A video covering the process of osmosis which is part of Section 2d in the specification for Edexcel IGCSE Biology 9-1 2017.

2.15 Understand the processes of diffusion, osmosis and active transport by which substances move into and out of cells.

2.16 Understand how factors affect the rate of movement of substances into and out of cells, including the effects of surface area to volume ratio, distance, temperature and concentration gradient.

2.17 Practical: investigate diffusion and osmosis using living and non-living systems.

2.51 understand why simple, unicellular organisms can rely on diffusion for movement of substances in and out of the cell

2.52 understand the need for a transport system in multicellular organisms

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5:31 ~ Circumcision 101





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