Pierre and Marie Curie are best known for their pioneering work in the study of radioactivity, which led to their discovery in 1898 of the elements radium and polonium. Marie Curie, b.
Its functions are vital to life and are regulated by the endocrine system by hormones such as antidiuretic hormone, aldosterone, and parathyroid hormone. In humans, a normal kidney contains 800,000 to 1.5 million nephrons.
In the body, kidney is in charge of removing waste products and excess water from the body via urine, keeping electrolyte and acid-base balance, and secreting some hormones such as EPO and renin. When the kidney size declines abnormally, it means the nephrons are damaged.