Ratio of fat cells and RBC in bone marrow: (A) 4:01, (B) 1:01, (C) 1:02, (D) 2:01
Answer is A. Bone marrow contains two types of stemcells: hemopoietic (which can produce blood cells) and stromal (which can produce fat, cailage and bone). ... Red blood cells, platelets and most white blood cells arise in red marrow; some white blood cells develop in yellow marrow