Question

why is excretion important for the living organisms

Answer 1

Excretion is important so as to remove all the harmful and unwanted wastes from the body, mainly the nitrogenous wastes. If it is not removed it gets accumulated in the blood and poses serious troubles sometimes even death.

Answer 2

Answer:

Excretion is a natural process by which a living organism removes the toxic excretory product which is harmful to the cells from its body.    

Explanation:

It helps us to remove the excretory product from the body. Excretion is also important for our body as it maintains the body's temperature.

Other examples of excretion are sweat and urine. This is the excretory product of the animals. In these two ways, animal removes the excess water from their body.