Question

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Write 5 differences between primary and secondary lymphoid organs?

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Answer 1

Answer:

Primary lymphatic organs are where lymphocytes are formed and mature. They provide an environment for stem cells to divide and mature into B- and T- cells: There are two primary lymphatic organs: the red bone marrow and the thymus gland.

. The lymphoid stem cells proliferate, differentiate and mature

2. Contain either B cells or Tcells

3. Antigen cannot enter  in

4.They atrophy with age

Secondary Lymphoid Organs ( Example: Spleen, Lymph nodes, Peyers patches, Tonsils)

1. The lymphoid cells become functional

2. Contain both T and B cells.

3. Antigen enters in and stimulates the lymphoid cells

4. They increase in size with age

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Explanation:

Answer 2

Answer:

the above answer is right mark it as the brainliest