Multiple choice

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

  1. Skin

  2. Kidney

  3. Livers

  4. Lungs
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lungs are primarily involved in the excretion of carbon dioxide and water vapor, which are respiratory gases, not nitrogenous wastes. Skin, kidneys, and liver all play roles in processing or excreting nitrogenous waste.

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