Multiple choice

Secondary lymphoid system comprises of

  1. thymus and liver

  2. spleen, lymphocytes, tonsils and mucosal lymph tissue

  3. RBC's, WBC's and platelets

  4. all of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Secondary lymphatic tissues include spleen, tonsils, lymph vessels, lymph nodes, adenoids, and skin and liver. 

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