Bone

Bone awl

A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals. Bones come in a variety of shapes and sizes and have a complex internal and external structure. They are lightweight, strong and hard, and serve multiple functions. In prehistoric times, they have been used for making bone tools.

See also

• Raw material
• Wood

References

This article uses material from the Wikipedia article Bone, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License (view authors).

External links

• Bone tool, Wikipedia