Protein. Bones are made of mostly collagen, with calcium nodules to act as rigidity-giving bricks. Babies have yet to calcify a lot of their skeleton. It’s only in puberty we finally calcify it all, thus finishing growth.
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So, as the other poster said, they are held together by tendons. But what is between the bones?
Protein. Bones are made of mostly collagen, with calcium nodules to act as rigidity-giving bricks. Babies have yet to calcify a lot of their skeleton. It’s only in puberty we finally calcify it all, thus finishing growth.