Macrophages
blood cells are formed in bone marrow.
Marrow.
White blood cells are formed in the yellow marrow. Red blood cells are formed in the red marrow. Yellow marrow has a higher concentration of fat.
platelets are formed in the marrow of long bones
blood cells are formed in bone marrow.
Bone marrow
You find bone marrow in the middle of your bones. Marrow is made of spongy cells.
formed in the bone marrow by megakaryocytes
in your teeth
in your teeth
Marrow of long bones
Bone marrow