Overview
Related questions
Overview
Related questions
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Bone
Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, is spongy honeycomb-like structure).
How long it usually lasts:
Chronic (lasts years to lifelong)
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A 36-year-old member asked:
What is the most painful bone to break?
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