Answer:
It helps in Osmoregulation and removal of excess liquid from the body.
Step-by-step explanation:
It regulates fluid balance by excreting excess amount of water as urine while retaining the necessary amount of water in the body that is essential for living.
Osmoregulation - the process of maintaining salt and water/osmotic balance across membranes within the body.
The fluids inside and surrounding cells are composed of water, electrolytes, and non-electrolytes.