What are bones made of and why is my skeleton important?
Your Busy Bone Team
What are bones made of and why is my skeleton important?
Right now, inside you, there's a quiet team of about 206 bones holding you upright. You can't see them, but they're the reason you're not a soft puddle on the floor. So what are they actually made of? Let's go in for a closer look.
A bone is not the dry, chalky thing you might imagine. A living bone is more like a busy, recipe-built material. Two main ingredients do the work. One makes it tough but bendy. The other makes it hard but stiff. Together, they're a brilliant team.
