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The main function of the skin is to protect the underlying delicate tissues from environmental factors ; in addition, it performs several other functions. Some are given below. Which of the following functions is excretory in nature ?
  • a)
    Giving out of urea and uric acid in sweat
  • b)
    Detection of changes in temperature
  • c)
    Regulation of body temperature
  • d)
    Detection of pressure, pain or touch etc
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The main function of the skin is to protect the underlying delicate ti...
Excretory Function of Skin

The skin is the largest organ of the body and performs several functions to maintain the body's internal environment. One of its functions is excretion, which involves the elimination of waste products and toxins from the body. The excretory function of the skin is mainly carried out by the sweat glands.

Sweat Glands

Sweat glands are present in the dermis layer of the skin and are responsible for the production and secretion of sweat. Sweat is primarily composed of water and electrolytes, but it also contains small amounts of waste products such as urea and uric acid.

Urea and Uric Acid

Urea is a waste product that is produced in the liver from the breakdown of proteins. It is excreted from the body through the kidneys in the form of urine. However, a small amount of urea is also excreted through the skin in sweat.

Similarly, uric acid is a waste product that is produced in the liver from the breakdown of purines. It is excreted from the body through the kidneys in the form of urine. However, a small amount of uric acid is also excreted through the skin in sweat.

Conclusion

In conclusion, the excretory function of the skin involves the elimination of waste products such as urea and uric acid through the sweat glands. While this function is not the primary role of the skin, it is an important secondary function that helps maintain the body's internal environment.
Community Answer
The main function of the skin is to protect the underlying delicate ti...
Giving out of urea and uric acid in Sweat.
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The main function of the skin is to protect the underlying delicate tissues from environmental factors ; in addition, it performs several other functions. Some are given below. Which of the following functions is excretory in nature ?a)Giving out of urea and uric acid in sweatb)Detection of changes in temperaturec)Regulation of body temperatured)Detection of pressure, pain or touch etcCorrect answer is option 'A'. Can you explain this answer?
Question Description
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