Completar frases Completa los espacios sobre el funcionamiento de los riñonesVersión en línea Un juego para aprender sobre cómo funcionan los riñones y su importancia en el cuerpo humano. por Carolina Gallego Londoño 1 water million glucose kidneys one ureters filter regulate bladder nephrons blood salts electrolyte artery organs urine filtration filtration excreted The are vital in the human body that perform essential functions for health . Their main task is to the , removing waste and excess fluids , which are in the form of . Each kidney contains approximately , which are the functional units responsible for this process . Blood enters the kidneys through the renal and is filtered in the nephrons , where useful substances such as , , and are reabsorbed . Waste products and excess water are converted into urine , which is transported to the through the . In addition to , the kidneys balance , blood pressure , and produce hormones that are important for red blood cell production and bone health . Therefore , maintaining kidney health is crucial for overall well - being .