When bacteria enter your body, the first players that act immediately belong to the so-called innate immunity. Their goal is to get rid of any intruder that may cause harm or if unable to do so, buy time for the more potent adaptive immunity to clear out an infection.
The complement system is the first line of immunity defence
As part of the innate immunity, the so-called complement system consists of several proteins. These get activated sequentially and function together to finally destroy any pathogen.
To recognise harmful bacteria, complement proteins have special receptors. These bind to specific proteins on the surface of the…
