Conclusion Major excretion of calcium in breast milk comes from bone calcium bank and blood calcium keeps balanced.

结论哺乳排钙增加时主要动用了骨钙，而维持了血钙稳定。

youdao

Conclusion: the soybean isoflavone may prevent the lose of bone calcium, zinc, copper and prevent the osteoporosis induced by ovariectomy.

结论：大豆异黄酮可预防去卵巢大鼠骨钙、锌、铜丢失，预防骨质疏松。

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Objective: To investigate the effects of yak bone powder on the bone density, bone calcium content and bone calcium apparent absorption rate in rats.

目的：研究牦牛骨粉钙吸收率及对大鼠骨钙、骨密度的影响。

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Calcium is involved in bone growth and maintenance, while vitamin D helps bones absorb the calcium.

WSJ: Vitamin D and Calcium Supplements May Not Stop Fractures

Calcium enhances bone health and helps to prevent osteoporosis.

FORBES: The Triumph Of Tofu

Even human bone can be coated with calcium in this way.

ECONOMIST: MONITOR