See also:

• Kids and Teens: Health: Conditions and Diseases: Cancer  (32)
• Kids and Teens: School Time: Science: Living Things: Bacteria and Viruses  (11)

• The Anatomy of the Immune System [ Mature Teens ] - In depth look at the immune system and all its separate parts, including organs and cells.
• Antibodies [ Teens/Mature Teens ] - Information on antibodies and their classes.
• Cells of the Immune System [ Teens/Mature Teens ] - Descriptions and pictures of the cells involved in the immune response.
• How Stuff Works: Immune System [ Teens/Mature Teens ] - Describes the immune system and discusses related topics such as allergies and AIDS.
• Understanding the Immune System [ Teens/Mature Teens ] - A detailed look at the enemies that the immune system fights, the way the immune system recognizes foreign objects, cancer, and technologies currently being studied.