Fan fiction, also called fanfiction, is derivative fiction written using another author's characters and universe. Fanfiction authors write stories about their favorite characters from books, movies, or comics.
Antibodies, also called immunoglobulins, are proteins manufactured by the body that help fight against foreign substances called antigens. When an antigen enters the body, it stimulates the immune system to produce antibodies. (The immune system is the body's natural defense system.) The antibodies attach, or bind, themselves to the antigen and inactivate it. Every healthy adult's body has small amounts of thousands of different antibodies.
The immune system is made up of a complex and vital network of cells and organs that protect the body from infection. Click Image to Enlarge. The organs involved with the immune system are called the lymphoid organs.They affect growth, development, and the release of lymphocytes (a certain type of white blood cell).he immune system keeps infectious microorganisms, such as bacteria, viruses, and fungi, out of the body. It also destroys any infectious microorganisms that do invade the body.