Cell Biology
The building blocks of life: cells, organelles and microscopes.
01Cell StructureMeet the organelles: the tiny machines inside every cell.Read lesson →02Using MicroscopesLearn how light microscopes work and practise calculating magnification.Read lesson →03Specialised CellsSee how root hair cells, sperm cells, red blood cells and neurones are adapted to their jobs.Read lesson →04Cell Division: MitosisFollow the stages of mitosis and learn why growth and repair need identical cells.Read lesson →