The basic structural and functional unit of the kidney is the nephron, which performs a multitude of tasks including blood filtration, re-absorption of salt, water and other compounds required by ...
continue along the nephron tubule as urine. This eventually passes down to the bladder. In carrying out these processes, the kidney is able to fulfil its functions of regulating the water and ion ...
The kidneys The nephron - Higher tier only Anti-diuretic hormone (ADH) Kidney disease How a dialysis machine works - Higher tier only ...