Bone marrow is in the center of bone. It produces immature red blood cells.
Marrow. It makes blood cells.
bone marrow is in the middle of your bone.
The Bone Marrow
bone marrow :)
bone
material center of a library
center
The bone in the center of the chest is the sternum; it is also called the breastbone.
close to the center in the marrow
to create blood cells
The bone matrix is made of 35% organic material and 65% inorganic materials. The organic material gives bone flexibility & strength.
its called the spongy bone