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...
Mayo Clinic
Mayo Clinic: Video: How Cancer Spreads
Learn about how cancer cells spread or metastasize throughout the body in this example animation video [1:28] of melanoma spreading.
Other
Memorial Sloan Kettering Cancer Center: Cancer
General information on what cancer is, types of cancer, treatment and prevention.