Red blood cells placed in a solution with a lower water concentration compared to their contents (eg 1.7 per cent salt solution) will lose water by osmosis and shrink.

GCSE; Edexcel; Transport in cells - Edexcel Osmosis. Diffusion is the movement of particles from a high to lower concentration. Osmosis is the diffusion of water across a membrane.

Please use one of the following formats to cite this article in your essay, paper or report: APA. Shaffer, Catherine. (2019, February 26). Diffusion and Red Blood Cells.

An osmotic fragility test is a blood test which works to see if red blood cells have a tendency to break apart easily. ‌ Two conditions that can cause this to happen are called thalassemia and ...