What secrete antibodies?
parasites barnacles the body's largest organ major threat to health activated b cells resistance activities fur seals it keeps an organism warm
A B C D E F G H
Antibodies are produced by plasma cells.
activated B cells secrete antibodies
What secrete antibodies? (A) parasites (B) barnacles (C) the body's largest organ (D) major threat to health (E) activated b cells (F) resistance activities (G) fur seals (H) it keeps an organism warm