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Explain the process of formation of urine with suitable diagram. Add a note on composition of urine.

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The question you asked, has already been answered by our expert. Please refer the links below:

https://www.meritnation.com/ask-answer/question/please-explain-the-impotant-steps-which-involves-in-the-form/excretory-products-and-their-elimination/6844416 
 

Urine contains 95% of water and the rest is made of salts and urea.

(urea 9.3 g/L, chloride 1.87 g/L, sodium 1.17 g/L, potassium 0.750 g/L, creatinine 0.670 g/L and other dissolved ions, inorganic and organic compounds.) 

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Urine formation is a very sophisticated process that takes place in the kidneys. This important process provides a mechanism for the body to get rid of metabolic wastes and toxins, which can be deadly if allowed to accumulate in the body. The kidneys have the very important responsibility for extracting toxins and other waste products from the blood.


Blood performs many crucial functions within the body and is largely responsible for sustaining health and life.

In addition to defending the body against diseases, blood is also responsible for transporting oxygen, hormones and other essential nutrients around the body.

It is, therefore, important that blood consistently has the correct chemical composition and is free of wastes and toxins, which can be dangerous to the body. Maintaining the correct volume and concentration of blood and removing wastes and toxins from it are essential functions of the kidneys. The kidneys are able to do this by converting unwanted blood plasma into urine and expelling it from the body.

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