Excretion through Skin Liver and Lungs


 
 
Concept Explanation
 

Excretion through Skin Liver and Lungs

Excretion in human:

Through exhaled air- carbon dioxide, formed after respiration, is sent out of the body with the exhaled air.

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Sample Questions
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Question : 1

Which of the following are correct ?

(a) Liver has sweat glands, through which we excrete small amounts of water, urea and salts.

(b) The liver also excretes cholesterol.

Right Option : B
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Question : 2

Which of the following parts of body has nothing to do with nitrogenous excretion ?

Right Option : D
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Explanation
Question : 3

Which of the following are correct ?

(a) The kidneys are the main organs of excretion, the skin, lungs and liver also help in excretion.

(b) Bile is produced by the breakdown of old RBCs in the liver.

(c) The lungs help in getting rid of carbon dioxide, formed as a result of cellular respiration, through exhalation.

Right Option : D
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Explanation
 
 


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