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The product of excretion common to the mammalian kidney, lung and skin is

Biology
JAMB 2006

The product of excretion common to the mammalian kidney, lung and skin is

  • A. mineral salt
  • B. carbon (IV) oxide
  • C. water
  • D. urea
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Correct Answer: Option C
Explanation

Water is a product of excretion common to the kidneys, lungs, and skin in mammals, although it is excreted in different forms and quantities by each organ.  

  • Kidneys:The kidneys excrete water as a component of urine, along with other waste products like urea and salts.

  • Lungs:The lungs excrete water in the form of water vapour during exhalation, along with carbon dioxide.

  • Skin: The skin excretes water through sweat, which also contains salts and other waste products.

There is an explanation video available below.


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Explanation Video

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