The number of bones in a child's body varies depending on their age. At birth, a baby's skeleton has around 300 bones. However, many of these bones are made of cartilage, which will eventually ossify (turn into bone) as the child grows. By the time a child reaches adulthood, they will typically have 206 bones in their body.
As the child grows and develops, some of the smaller bones fuse together to form larger bones, which accounts for the decrease in the total number of bones. Additionally, some bones, such as the skull bones, remain separate to allow for the expansion of the brain during infancy, but fuse together as the child grows.
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