Key Stage 3
Meaning
An antibody is a chemical made by white blood cells that help fight infection.
Key Stage 4
Meaning
An antibody is a chemical made by lymphocytes that is used to fight pathogens.
About Antibodies
- Some antibodies can directly damage or destroy a pathogen.
- Some antibodies attach themselves to pathogens to make it easier for phagocytes to engulf and destroy them. They act like tags to tell the phagocytes which cells to attack.