Labels:bulletin board | cake | earth | ootid | sideroblast | sky OCR: COMPACT BONE "HE BONES in your skeleton are arm and leg bones. It is made up made up of several different solid columns, which makeit lay An outer layer, called strong and heavy It is thickest in compact bone (shown here in cross places where the bone IS most section covers the shafts of your likely to brea at its stress points. Blood vessels Columns of bony material make layers break
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