Question

antibody mediated immunity is also called humoral immunity because

Answer 1

because the antibody which remain after the infections remember the antigen and are stored in the lymph nodes as the memory cells which functions if the antigen attacks again then the eliminate the antigen as they already know which antigen is that
this accordingly is the humour of the antibodies hence it is called humoral immunity
the lateral meaning of humour is intelligence or memory

Answer 2

Humoral immunity is also called antibody-mediated immunity. With assistance from helper T cells, B cells will differentiate into plasma B cells that can produce antibodies against a specific antigen. The humoral immune system deals with antigens from pathogens that are freely circulating, or outside the infected cells.