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Question: Answered & Verified by Expert
A large quantity of one of the following is removed from our body by lungs.
BiologyExcretory Products and their Elimination
Options:
  • A
    $\mathrm{CO}_2$ only
  • B
    $\mathrm{H}_2 \mathrm{O}$ only
  • C
    $\mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{O}$
  • D
    ammonia
Solution:
2087 Upvotes Verified Answer
The correct answer is:
$\mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{O}$
Human lungs remove large amounts of $\mathrm{CO}_2(18 \mathrm{~L} /$ day) and also siginificant amount of water everyday. While respiration, $\mathrm{CO}_2$ alone cannot be eliminated from the body and the same holds true for $\mathrm{H}_2 \mathrm{O}$. Ammonia is highly toxic, and thus it is immediately converted to nontoxic form.

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