Question

Which of these

describes
humoral immunity?
A. the binding of antigen and antibody triggering a
response of plasma and memory b-cells to attack
B. t-cells and macrophages fighting infected cells that
are non-self or cancerous
C. our body remembering pathogens it has fought off or
learning from vaccines
D. obtaining immunity from an outside source, like
mother to baby
FutureForw

Answer 1

D

Step-by-step explanation:

obtaining immunity from an outside fluid