define excreation in human . explain it in brief. please I need answer fast
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Explanation:
Excretion is the process where all the metabolic wastes are removed from the body.
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WHAT IS EXCRETION ?
The process by which wastes that are produced in human body are removed is called excretion .
EXCRETORY SYSTEM :-
♥ Human body consists of a number of excretory organs such as liver , skin , kidneys etc...
♥ But there is a specialized system in humans that helps to purifies blood . It consists of Kidneys , ureters , urethra , urinary bladder .
PROCESS OF EXCRETION :-
♥ Kidneys are placed in lower abdomen and bean like shaped .
♥ They filter the blood and removes toxins from the blood .
♥ It also reabsorbs the essential ions and substances from the filtrate .
♥ The final toxins are collected and removed from the body in the from of urine.
( The urine is 95% of water in composition and rest it contains urea and other wastes ) .
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