Question | Answer |
Pathogen | any disease-producing agent, especially a virus, bacterium, or other microorganism. |
Immune Response | Cells of the immune system that can distinguish between different pathogens.The immune system cells react to each kind of pathogen with a defense specifcally targeted for that pathogen. |
Antibody | A chemical produced by a B cell of the immune system that destroys a specific tyoe of pathogen. |
Passive Immunity | When your immune system produces antibodies in response to the presence of a pathogen. |
Infectious Disease | A disease that can pass from one organism to another. |
Lymphocyte | White blood cell that reacts to each kind of pathogen with a defense targeted specifically at that pathogen. |
Immunity | The ability of the immune system to destroy pathogens before they can cause disease. |
Antibiotic | A chemical that kills bacteria or slows the growth without harming the body cells of humans. |
Pasteurization | A heating process that is widely used to kill microorganisms in food products such as milk. |
T Cell | A lymphocyte that identifies pathogens and distinguishes one pathogen from another. |
Allergy | An abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection or skin contact. |
Inflammatory Response | The inflammatory response leaks fluid and certain white blood cells that fight pathogens. |
Antigen | A molecule on a cell that the immune system can recognize as a part of the body or as coming from outside of the body. |
Vaccination | The process by which harmless anitgens are deliberately introduced into a person's body to produce active immunity. |
Allergen | A substance that causes an allergy. |
Phagocyte | A white blood cell that destroys pathogens by engulfing them and breaking them down. |
B Cell | A lymphocyte that produces chemicals that help destroy a specific kind of pathogen. |
Vaccine | The process by which harmless antigens are deliberately introduced into a person's body to produce active immunity. |
Histamine | A chemical that is responsible for the symptoms of an allergy. |
Active Immunity | Antibodies that fight pathogens that came from another source other than someone's own body. |