那么，当流动的血液中钙含量过低，一个叫做甲状旁腺的发信号装置就会激活一个流程，致使骨骼中的钙流失到血液里。
Then, when the blood runs low on calcium, a signaling device called the parathyroid gland can activate a process by which calcium is taken from the skeleton and put back into the blood.
先前的研究显示，由于啤酒中的硅含量很高，喝啤酒可有助于骨骼强健。
Previous research has suggested that drinking beer may help build better bones thanks to its high silicon content.
日粮中磷的添加才平影响骨骼中钙的含量；
The adding level of phosphorus influences the content of calcium in bones.
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