The kidneys contain millions of tiny filtering units called nephrons. These nephrons are responsible for the filtration of blood and the formation of urine. To get this information, you can consult reliable sources such as textbooks, medical websites, or academic journals that discuss the anatomy and function of the kidneys. The information can also be obtained by speaking with medical professionals, such as doctors or nephrologists, who specialize in kidney health.
nephrons.
The kidneys contain millions of tiny filtering units called nephrons.
