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.
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。
Being rich in iron, squid is good for human skeleton growth and blood producing, and it can take precautions against anaemia..
鱿鱼中含有丰富的钙、磷、铁元素，对骨骼发育和造血十分有益，可预防贫血。
Some people even kill the cow on the grass along the river bank, the cow skeleton thrown into the river, also make the blood of the ox, all over the ground very hateful!
有人甚至在河边的草地上杀牛，把牛的骨架扔到河里，还把牛的血弄得满地都是，十分可恶！
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