1 votes 1 votes Which one of the following is NOT a principal component of innate immunity? Mucosal epithelia Dendritic cells Complement system Memory B-cells Immunology gate2018 immunology + – gatecse asked Feb 20, 2018 • recategorized Mar 17, 2021 by Lakshman Bhaiya gatecse 1.4k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.