Pathogen invades the bodyWhen the pathogen invades the body it will clone itself to infect the body and cause symptoms of illnesses. The Pathogen can enter our bodies through our eyes, nose, mouth, reproductive systems,wounds and cuts.
Pathogen is recognised as foreign Your immune system identifies your own body cells by the presence of the protein on the surfaces. The pathogen does not have protein on the surfaces so the pathogen will be then be attacked by the immune system.
Antibodies are released and fight off the pathogenThere are white blood cells called B-cells and they release antibodies to fight off the pathogenAntibodies are a unique shaped proteins used in the immune system to obliterate pathogens.
Antigen finds a matching antibodyAn antigen is a pathogen that causes immune system to generate many antibodies. After A few hours or days antigen will find a matching antibody