Question

multiple choice question
leukocytes develop from hematopoietic stem cells in the _______.
o spleen
o red bone marrow
o thymus
o liver

Explanation:

Hematopoietic stem cells in the red - bone marrow give rise to leukocytes. The spleen is involved in immune function and blood storage, the thymus is important for T - cell maturation, and the liver has functions like detoxification and metabolism but is not the main site of leukocyte development from hematopoietic stem cells.

Answer:

B. red bone marrow