Respuesta :
Answer:
Filtration, Reabsorption, Secretion: The Three Steps of Urine Formation. The kidneys filter unwanted substances from the blood and produce urine to excrete them. There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion.
Explanation:
There are three main steps of urine formation: glomerular filtration, reabsorption, and secretion.
