Fill in the Blanks Immune System Fill in the Blanks ChallengeOnline version Test your knowledge of the immune system by filling in the blanks! by Rianna R 1 ACTIVE ANTIGEN LONG-LIVED SHORT LIVED ADAPTIVE SKIN ANTIBODIES PASSIVE INNATE T LYMPH NONSPECIFIC ? = , , , COMPLEMENT SYSTEM ? = SLOWER , SPECIFIC , MEMORY , ANTIBODY ( IMMUNOGLOBULINS ) ? = OR , DONOR MOM TO BABY OR SHORT - LIVED ? = T CELLS , NATURAL EXPOSURE , OR IMMUNIZATION ? LONG LIVED .