Question

give a brief introduction of human excretory system,various parts of excretory system and their roll​

Answer 1

Introduction. The excretory system is a vital biological system that removes excess and waste products from the body to maintain homeostasis. Most of these products are in fact used and broken down components of metabolism that leave the body in the form of urine, sweat, or feces.

Overview. The excretory system in humans consists mainly of the kidneys and bladder. The kidneys filter urea and other waste products from the blood, which are then added to the urine within the bladder. Other organs, such as the liver, process toxins but put their wastes back into the blood.

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Answer 2

Explanation:

Key Points On Human Excretory System

The main excretory organs include kidney, ureter, urinary bladder and urethra. Kidneys filter the blood and urine is the filtrate obtained. Urine passes to the urinary bladder via ureter and is expelled out of the body. This is known as micturition.