The parts of the immune system are lymph nodes, tonsils, and spleen. The parts' functions are listed below.
Lymph nodes: Trap and filter foreign particles
Tonsils: Catch pathogens
Spleen: Filters blood and fights infection
Leukocytes are white blood cells. They proect the body from germs and foreign materials.
Phagocytes: Fight and destroy germs
Lymphocytes: Remember germs and produce antibodies
WORKS with OTHER SYSTEMS
Immune System (Click to enlarge.)
The immune system works with other systems by protecting them. Vaccines help us build immunity to a disease by imitating infection. This helps us produce antibodies to fight the real disease. Vaccine treatable diseases The flu Chicken pox Tetanus
Fun facts:
One of the body's first responses to infection is inflammation.
People catch fewer colds than their bodies make defenses for.
Fevers can help the immune system fight infection.