Question

bone marrow is a part of immune system true or false
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Answer 1

Answer:

The primary parts of the immune system include the bone marrow and thymus. The bone marrow is extremely important to the immune system because all the body's blood cells (including T and B lymphocytes) originate in the bone marrow. B lymphocytes remain in the marrow to mature, while T lymphocytes travel to the thymus.

Explanation:

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Answer 2

true bcoz is produce RBC