肾脏是人体的一个重要排泄器官,由它排泄清除的代谢废物种类最多,数量最大。肾脏对体内水电解质和酸碱平衡起着调节作用,因此,肾脏对保持体内环境的衡定有着特别重要的意义。肾脏还能产生多种生物活性物质,如肾素、红细胞生成酶、前列腺素等;人体血压的高低,红血球的多少,骨骼中钙盐的多少均由肾脏内分泌物质主宰。如果肾脏机能发生障碍,代谢废物将蓄积于内,水电 The kidneys are an important excretory organ of the human body, and the largest amount and amount of metabolic waste is excreted by it. The kidneys play a regulatory role in the body’s electrolytes and acid-base balance, and therefore the kidneys are of particular importance for the maintenance of the in vivo environment. Kidney can produce a variety of bioactive substances, such as renin, erythropoietic enzymes, prostaglandins, etc .; the level of human blood pressure, the number of red blood cells, the number of calcium in the bones are dominated by the renal endocrine substances. If the kidney dysfunction occurs, metabolic waste will accumulate in the hydropower