this post was submitted on 22 Jun 2024
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X-ray of a baby's hand make it look like their bones are floating around in there (files.catbox.moe)
submitted 9 months ago by [email protected] to c/[email protected]
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[–] [email protected] 1 points 9 months ago (1 children)

So, as the other poster said, they are held together by tendons. But what is between the bones?

[–] [email protected] 4 points 2 weeks ago

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.