Question

define excretion. Draw a neat labeted diagram of excretory system in human?​

Answer 1

Excretion is a process in 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

Answer:

this. is your answer to you want