The Association of the British Pharmaceutical Industry
Abpi: Cell Division and Cancer
A complete, student-led lesson on cell structure, cell division, and cancer growth. Students work their way through illustrations and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end...
Biology 4 kids
Biology4 Kids: Animal Systems
An overview of the structure and function of a complex, multicellular organism. This article discusses levels of organization and examples of systems.