Iron plays a key role in energy metabolism and is a necessary component of hemoglobin, the protein that transports oxygen in the blood.
Iron plays a key role in energy metabolism and is a necessary component of hemoglobin, the protein that transports oxygen in the blood.
铁在能量的新陈代谢有重要的作用，是血色素组成的必需成分。能把血液里的蛋白质转化成氧。