论文部分内容阅读
钙是人体内含量最多也是最重要的矿物质,占体重的2％。其中99％的钙沉积于骨和牙齿上,以保持人的形体,参与人的运动;1％的钙
Calcium is the most abundant and important mineral in the human body, accounting for 2% of body weight. Of these, 99% of the calcium is deposited on the bones and teeth to keep the person’s body in motion and to participate in human activities; 1% calcium