Question

Define excretion and name the excretory products.

Answer 1

As-Salamu-Alykum



_________

Excretion:-

The process in which waste product is removed from body


Excretory products :-

Ammonia

Urea

Uric acid


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INSHALLAH it will help U

Answer 2

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Excretion :

⇒Excretion is the process of removal of metabolic wastes from the body.

⇒Excretion is the process in which undigested toxic and waste material is thrown out of the body .It can be in the form of sweat,urine etc .

⇒As a result of metabolic process , Waste products are formed and the process of releasing these wastes out of the body called Excretion.

⇒The process of excretion take place after the process of digestion

⇒The solid waste is passed out through the anus in  the form of stool.

Excretory Products :

⇒Ammonia

• The process of excretion of ammonia called Ammonetelism.
• Ammonia is highly toxic , so needs more water for getting excreted .
• Example - Snail , starfish etc.

⇒Ureotelism

• The process of excretion of urea called Ureotelism
• In liver , Ammonia is converted into less toxic urea .
• Urea is less toxic , So require moderate quantity of water for excretion.
• Example - Human being , Fish etc

⇒Urecotelism

• The process of excretion of uric acid called Urecotelism.
• Uric acid is least toxic , so no need of water for excretion .
• Example - Birds , snakes etc