Learn about the ultrastructure and organelles of animal, plant, fungal and bacterial cells. BBC Bitesize Scotland revision for SQA National 5 Biology.

Keywords cell biology, life functions, diffusion, osmosis, active transport, enzymes, DNA, RNA, energy production, hydrolysis, oxidation, nutrients, cell structure Email us at [email protected] ...

Learn about white blood cells, which help your body fight inflammation and infections. A high or low white blood cell count may be associated with certain health conditions.

It's no coincidence that our bodies feel a little creakier as we age. The trillions of cells that make up our skeleton age too, and some change in ways that weaken the very structure of our bones.

Yale researchers and their colleagues in Hungary have discovered that cells in the hypothalamus — an area of the brain that controls functions like hunger and body temperature — play a major role in ...