Question

what is the significance of excretion

Answer 1

It help remove nitrogenous wastes like ammonia, urea, uric acid from body by filtering out these from blood along with excess water. Along with those excess of salts also removed out by kidney from blood.

So it basically performs 2 functions.
1st it removes those toxic products as ammonia urea and uric acid called excretion
2nd it maintains water and mineral balance in body. Called osmoregulation

Answer 2

Answer:

It help remove nitrogenous wastes like ammonia, urea, uric acid from body by filtering out these from blood along with excess water. Along with those excess of salts also removed out by kidney from blood.

So it basically performs 2 functions.

1st it removes those toxic products as ammonia urea and uric acid called excretion

2nd it maintains water and mineral balance in body. Called osmoregulation