Question

What is Excaetion?
Why is does
excretion
perform in
living organisms Write
the
за & Excretory
organ of
man plant
and fish​

Answer 1

Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life. 

Answer 2

Water is an inorganic, transparent, tasteless, odourless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients...