Answer: antibody

AnswerCrossword Clue
ANTIBODYBiological immunity agent
ANTIBODYVirus fighter
ANTIBODYImmunity unit
ANTIBODYBacterium binder
ANTIBODYDisease-fighting protein
antibodyA blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances that the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood
antibodya body substance that produces immunity against toxins