Multiple choice

Humoral immunity is mediated by

  1. B cells

  2. T cells

  3. Both 1 and 2

  4. Phagocytes

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Humoral immunity is mediated by B cells and their secreted antibodies. B cells differentiate into plasma cells that produce antibodies which circulate in body fluids (blood, lymph) - the 'humor'. T cells are responsible for cell-mediated immunity, not humoral immunity.