суббота, 8 июля 2017 г.

Minerals are present in bones, teeth, nails, all body cells and body fluids, and account for about five per cent of the weight of the human body.




Minerals are present in bones, teeth, nails, all body cells and body fluids, and account for about five per cent of the weight of the human body.

Original article and pictures take https://bankofinfo.com site







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