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Learning anatomy/Bone
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Human skeleton
Anatomy
The parts of the bone are the periosteum, compact bone, and spongy bone.
603 Anatomy of Long Bone
Function
Bones help to support muscles, protect organs, and even hold your teeth. Bones help so that we wouldn't be 1 flat puddle on the ground.