• aktenkundig
    link
    fedilink
    arrow-up
    1
    ·
    9 months ago

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

    • acockworkorange@mander.xyz
      link
      fedilink
      arrow-up
      3
      ·
      8 days 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.