Red blood cells placed in a solution with the same water concentration as their cytoplasm (0.85 per cent salt solution) will not experience an overall change in volume. No osmosis occurs.

As the warm weather hits the UK, drinking water is important to keep hydrated, but an expert has warned to avoid drinking warm bottled water.

“Access to clean drinking water is essential for the health and ... the substance makes it harder for red blood cells to carry oxygen, which is particularly dangerous for infants.

In living things, diffusion allows substances to move in and out of cells. It's how red ... from blood plasma to body cells Write a short paragraph to answer the following question. Tap 'Show ...