Page 102 - Science
P. 102

• How many bones are there in a human


            skeleton?



        • 206




        • How many types of skeleton do we have and


            what are they?



        • 2, endoskeleton  and exoskeleton



        • What will you look like if you have


            exoskeleton?




        • Are bones alive?



        • Yes! In fact bones contain thousands of living


            cells that are replaced as they die
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