女生喜欢金制品,因为它的昂贵;喜欢银制品,因为它的尊贵。那黑不溜秋的铁,女生喜不喜欢呢?有人说,女生更需要“铁哥们”,这又是为什么呢? 人体内铁的正常含量很少,只有4～5克,但是铁所起的作用却很大。人体缺铁会对健康造成严重损害。人体内的铁大约有72%存在于血液里,大约有3%和蛋白质结合存在于肌肉里,大约有0.1%～0.2%存在于全身的细胞核里,其余的铁贮备在脾、骨髓和肠胃粘膜上皮中。也就是说,大部分的铁都分布在血液里。铁是形成血红蛋白的主要原料,血红蛋白又是红细胞的主要成分,因此,可以说铁是血液组成的重要元素。如果人体内铁供应 Girls like gold because it’s expensive; like silver because of its pride. Some people say girls need more “iron buddies”, and this is why? The body’s normal iron content is very small, only 4 to 5 grams, but the role of iron is Great. Iron deficiency can cause serious health damage. Approximately 72% of human body’s iron is present in the blood. Approximately 3% of the iron is found in the muscle, about 0.1% to 0.2% of it is present in the nucleus of the body. The remaining iron is stored in the spleen, bone marrow and gastrointestinal mucosa Epithelium. In other words, most of the iron is distributed in the bloodstream. Iron is the main raw material for the formation of hemoglobin, hemoglobin is the main component of red blood cells, therefore, iron can be said that the blood is an important element. If the human body iron supply