title: [Complement system: biological functions].
mesh_terms: D003166:Complement Activating Enzymes / Q000502:physiology; D003169:Complement Inactivator Proteins / Q000502:physiology; D003170:Complement Pathway, Alternative; D003171:Complement Pathway, Classical; D003165:Complement System Proteins / Q000276:immunology / Q000502:physiology*; D006801:Humans
chemical_list: D003169:Complement Inactivator Proteins; D003165:Complement System Proteins; D003166:Complement Activating Enzymes
vernacular_title: El sistema de complemento: funciones biológicas.