Vaccines

Cards (4)

What are pathogens? 
Microbes that cause diseases
How do vaccines work?
A dead or altered form of the pathogen is injected into the body containing a specific antigen, causing white blood cells in the immune system to produce complementary antibodies which target and attach to the antigen
What is phagocytosis?
When a white blood cell engulfs and digests a pathogen
What happens after antibodies attach to the antigen?
They attach and clump pathogens together allowing for phagocytosis

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