Answer :
The process of osmosis is used to explain the phenomenon of water and electrolyte control due to the presence of semipermeable membrane of the nephrons.
What is a kidney?
A kidney is the major organ of the urinary system which is double in mammals and are located at the abdomen as a retroperitoneal organ.
The kidney has the following vital functions in the body:
- Aids in water and electrolyte balance
- Aids in the elimination of metabolized drugs from the liver and
- It helps in urine formation which contains nitrogenous wastes.
The kidney is able to balance water and electrolyte (salts) through the nephrons which are the millions of twisted tubules found in the internal structure of the kidney.
The walls of the nephrons are lined with semipermeable membrane which allows the movement of water from the region of low solute concentration to the region of high solute concentration in the process of osmosis.
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