Which organs help in the elimination of excretory waste besides kidneys?

Which organs help in the elimination of excretory waste besides kidneys?
  1. Lungs
  2. Liver
  3. Skin
  4. All of the above

Solution

Besides kidneys, lungs, liver, and skin also help in the elimination of excretory waste. The lungs remove CO₂ and water, the liver secretes bile-containing substances, and the skin eliminates excretory waste through sweat and sebum.

Asked in: NCERT

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