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Bone
Bone consists of a few cells (osteocytes)
embedded in a matrix which becomes mineralized (ossified). It is the
second hardest substance in the body (after the enamel of the teeth)
and, despite its hard dead appearance, is a living tissue with an
excellent healing ability after injury.
Bone functions
 | Support for other softer tissues
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| Protection for other more fragile
tissues
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| Leverage for the skeletal muscles to
move the body
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| Storage of minerals - especially
calcium and phosphorus |
| Blood cell formation in the bone
marrow
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Bone
structure
Bone
formation
Bone shapes
Bone marrow
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