The following vocabulary words are from Chapter 27, p708-721
Noninfectious disease: a disease that cannot spread from one individual to another (ex: cancer, hemophelia, other genetic disease)
Infectious disease: a disease that is caused by a pathogen and that can be spread from one individual to another
Pathogens: a microorganism, another organism, a virus, or a protein that causes disease.
Immunity: The ability to resist or recover from an infectious disease
Pasteurization: A method of using heat to kill bacteria (milk is pasteurized)
Immunity: The abilty to reseis or recover from an infectious disease.
Antibiotic: A substance that can kill bacteria or slow the growth of bacteria (note: Antibiotics do NOT work on viruses. Antibiotics can only kill living things)
Immune System: The cells and tissues that recognize and attack foreign substances in the body.
Macrophage: An immune system cell that engulfs pathogens and other materials
T-cell: An immune system cell that coordinateds the immune system and attacks many infected cells
B cell: A white blood cell that makes anitbodies
Antibody: A protein made by B cells that binds to a specific antigen.
Allergy: A reaction to a harmless or comon substance by the bodies immune system
Autoimmune disease: A disease in which the immune system attacks the organism's own cells (ex: rheumatiod arthritis, type 1 diabetes, multiple sclerosis, lupis)
Cancer: A disease in which the cells begin dividing at an uncontrolled rate and become invasive.