Q. 73.9( 7 Votes )

What is osmoregulation? Name the organs of osmoregulation in:

(i) Human

(ii) Amoeba

Answer :

Osmoregulation refers to the regulation of water and salt concentration across the membranes within the body fluid to maintain the required osmotic pressure. It serves to maintain the dissolved ions concentration of body fluid.

(i) The main osmoregulatory organs in humans are kidneys. They also function to filter blood.


(ii) Amoeba possesses contractile vacuoles as osmoregulatory organs. It serves to regulate the water content of the cell. These vacuoles help the amoeba to survive in hypertonic as well as hypotonic environment.


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