The body’s continuing immune response and defense against pathogens it has seen before is known as ________.
A. active immunity
B. passive immunity
C. immunoglobulins
D. graft-versus-host
Answer:A
The body’s continuing immune response and defense against pathogens it has seen before is known as ________.
A. active immunity B. passive immunity C. immunoglobulins D. graft-versus-host
Explanation: A) Correct!