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When we are babies, our bones are very soft. They are cartilage. As we get bigger our cartilage gets hard, and turns into bone. This is caused from the calcium that is being dumped into the cartilage as we get older. In babies, the skull bones do not connect with sutures for a long time and is still soft, until about a year old.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoto start off when ur a baby u dont have bones u have cartolige then when u grow up ur cartolge turns to bones
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