How many bones does a kid have? Does a 9-year-old kid have the same amount an adult has?

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Yes, a child of 9 has the same number of bones as an adult but they are still growing and maturing. The adult skeleton has 204-206 bones so the child has the same number. Bone growth continues to approximately age 21-22. When you reach that age you are as tall as you are going to be. After this age bone continues to be a dynamic structure undergoing breakdown and resorption, just not getting any longer. Promoting healthy bone growth in children is important so they can develop fully. This is accomplished by proper diet, exercise, rest, and safety measures to prevent orthopedic injuries. 

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