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钙是人体不可缺少的矿物质,占体重的1.5%～2.0%。它是构成骨骼的主要成份;参与凝血过程;维持神经肌肉的兴奋性,保持人体渗透压的相对恒定。当人体特别是婴幼儿缺钙时,即会出现骨骼钙化不全及严重危害婴幼儿健康发育的多种疾病,如佝偻病、手足搐搦症等。炎夏是补钙的最佳时机,望家长切莫错失良机。
Calcium is an indispensable mineral of human body, accounting for 1.5% -2.0% of body weight. It is the main component of the skeleton; participate in the process of coagulation; maintain the excitability of neuromuscular and maintain a relatively constant human osmotic pressure. When the human body, especially infants and young children calcium deficiency, there will be bone calcification incomplete and seriously endanger the healthy development of infants and young children a variety of diseases, such as rickets, tetany and so on. Summer is the best time to calcium, parents should not miss the opportunity.