Which is the correct order of steps taken by B and T cells to defend against infection in body fluids and cells? 1. B and T cells move to the lymph nodes, spleen, and other parts of the lymphatic system.
2) B and T cells leave the bone marrow and thymus and move to the bloodstream.
3) B and T cells meet and begin to fight viruses or other infectious agents.
4) B and T cells develop antigen receptors.
A) 4, 2, 1, 3
B) 2, 4, 3, 1
C) 4, 3, 2, 1
D) 2, 4, 1, 3

Question

Quizplus · Accepted Answer

B and T cells first develop antigen receptors (4), then leave the bone marrow and thymus to move to the bloodstream (2), then move to the lymph nodes, spleen, and other parts of the lymphatic system (1), and finally meet and fight infectious agents (3).

Which Is the Correct Order of Steps Taken by B