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19 votes
19 votes
Which one of the following are primary lymphoid organ?

i) Bone marrow and spleen
ii) spleen and thymus​

User Yoshiserry
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1 Answer

14 votes
14 votes

Answer:

The options are not complete because the answer is neither i or ii

spleen is a secondary lymphoid organ

the correct answer is Bone marrow and thymus

User Travis Beck
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