Compact or cortical bone is hte hard, strong layer of bone.
cartillage
dno
Cortical Bone
The anterior part of the Hard Palate is the Maxilla.The Posterior part of the Hard Palate is the Palatine.
Calcified bones are hard but not really solid. Spongy bone is hard with tiny holes in it. Periosteum is thin but very strong. The other name for it is outer membrane, it helps to rebuild bone cells. The last is cartilage. It is strong material that holds two bones together and allows them to glide over one another. Skull iz also a very strong bone.
The Boner
Humerus!
The hardest part of a tooth is the outer layer, the enamel. It is the hardest substance in the whole human body.
Because they have a hard outer shell with a softer interior.
Enamel (outer part, hard), dentin (under enamel), pulp (center, where most nerves are), cementum (covers root of tooth)
compact bone. yah buddy!