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Immune System
Question | Answer |
---|---|
Active immunity | An acquired immunity in which an organism produces antibodies after being infected or from receiving a vaccine |
AIDS | Caused by the virus HIV, it is when the body cannot fight off infections due to low white blood cells |
Allergy | Overreaction of the immune system to harmless substances (pollen, pet dander...) |
Antibodies | Proteins in the blood that bind to and destroy foreign pathogens in the blood |
Antibiotic | Medicine that kills bacteria (penicillin, amoxacillin) |
Antigen | A substance that causes an immune response |
Autoimmune disease | When the immune system fails to recognize itself and attacks an organism's own cells and tissues |
Immune System | Protects the body from disease |
Microbe | Any microscopic organism |
Passive Immunity | Temporary immunity gained when antibodies are transferred from one organism to another, like during pregnancy and breastfeeding |
Pathogen | Any organism that causes disease |
Vaccine | Dead or weakened pathogen injected in order to cause an immune response |
Virus | A very small non-living pathogen made of DNA or RNA surrounded by a protein coat that needs a host in order to reproduce |