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钙是人体内最重要、也是含量最多的无机盐。正常成人体内的含钙量达1000～1400g左右,约占人体重量的2%。它广泛分布于全身的各组织器官中。其中99%在骨骼和牙齿中,1%以离子的形成分布在机体的软组织和细胞的外液之中,对体内的生理及生化反应起着重要的调节作用。钙代谢的平
Calcium is the most important human body, but also the most abundant inorganic salts. Normal adult body calcium content of about 1000 ~ 1400g, accounting for about 2% of body weight. It is widely distributed throughout the body’s tissues and organs. 99% of them are in bone and tooth, and 1% of them are distributed in the soft tissue and the extracellular fluid of the body with ion formation, which plays an important regulatory role on the physiological and biochemical reactions in the body. Flat calcium metabolism