Complement is a series of impoant host proteins which provide protection from invasion by foreign microorganisms. Which one of the following statements best describes complement?
Complement inhibits phagocytosis Microorganisms agglutinate in the presence of complement but do not lyse Complement plays a minor role in the inflammatory response Complement protects the host from pneumococcal and Haemophilus infection through complement components C1, C2, and C4