Question

who produces blood?
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Answer 1

Answer:

• In the human adult, the bone marrow produces all of the red blood cells, 60–70 percent of the white cells (i.e., the granulocytes), and all of the platelets. The lymphatic tissues, particularly the thymus, the spleen, and the lymph nodes, produce the lymphocytes (comprising 20–30 percent of the white cells).

Answer 2

Answer:

In human adult the red blood , white blood and platelets cells are produced by the bone marrow.