The immune system has four main functions: 1  Protection against foreign microorganisms such as bacteria, viruses, parasites, and fungi. 2  Homeostasis (body equilibrium) through the removal of worn out or dead cells. 3  Surveillance and removal of mutant cells. 4  Regulation through increasing and suppressing immune response.
In 2001, Jackson entered the Women's National Basketball Association (WNBA) draft and was selected by the Seattle Storm, which viewed Jackson as a franchise player. She has won two WNBA titles with the Storm, in 2004 and 2011, the latter also earning Jackson the WNBA Finals Most Valuable Player Award.
Jackson was a soldier from District 13. She was part of Squad 451 and was second in command to Boggs. After Boggs died during their mission in the Capitol, she demanded that Katniss give her the Holo. Katniss lied to her and said that President Coin authorized her to take charge and to lead a mission to assassinate President Snow.