What is the primary site of hematopoiesis in adults?

A Bone marrow
B Spleen
C Liver
D Lymph nodes
In adults, the bone marrow is the primary site of hematopoiesis, where hematopoietic stem cells differentiate into various blood cell types.
Robbins and Cotran Pathologic Basis of Disease
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Easy MEDICAL Confidence: high