hcpsallstoncg
hcpsallstoncg hcpsallstoncg
  • 26-04-2017
  • Biology
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What materials are bones first made out of?

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mohabbasem
mohabbasem mohabbasem
  • 26-04-2017
Bones contains alot of calcium. 
They are made of bone marrow in the inside and on the outside is the compact bone.
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