Which Is the Correct Order of Steps Taken by B

question 64

Multiple Choice

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

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