Marrow. It is red when you are young but gets redder the more you age
Marrow.
Bone marrow
That special material is called as red bone marrow. You have red bone marrow in the skull bones, vertebrae, pelvic bones, ribs, scapula and sternum. In case of children,you have the red bone marrow in the cavity of the long bones, in addition to above mentioned flat bones.
Bone Marrow
The special material in bones that makes blood cells is called bone marrow. Bone marrow is a soft, spongy tissue found in the cavities of bones and is responsible for the production of different types of blood cells, including red blood cells, white blood cells, and platelets.
osseuos tissue
dirt
mud
the fatty network of connective tissue that fills the cavities of bones.
cartalige
your mom-zion philbert
No. Bones cannot move, they can only grow. Bones are sort of like a frame - and the muscle fills it in. The muscles are what move - a bone cannot.