Bone strength primarily derives from deposits of which minerals?

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Bone strength comes from the mineral content embedded in the bone matrix. The key minerals are calcium and phosphorus, which form calcium phosphate in the form of hydroxyapatite crystals. These minerals fill the gaps in the collagen framework and provide rigidity, allowing bones to bear loads. Vitamin D helps the body absorb calcium, but it’s the calcium and phosphorus deposits that give bones their main strength. Water and collagen play important roles—water supports overall health and metabolism, while collagen provides the organic scaffold and some flexibility—but they are not the primary mineral deposits that confer strength.