The Complement System Functions to ____ and ____

Multiple Choice

The complement system functions to ____ and ____.

A) mobilize B cells; initiate antibody production
B) help the innate immune system; turn on expression of T-cell receptor protein genes
C) destroy invading cells; provide a physical barrier against pathogens
D) destroy invading cells; guide phagocytes to the infection site
E) destroy viruses; guide phagocytes to the site of inflammation