What are the main organs involved in human excretion?List them please.

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Human excretion is the process of removing excess water, waste material and harmful substances fro human body. The organs involved in human excretion are listed below.

  1. Skin: It removes excess water,salt ans some other substances from the body. It also removes excess heat from the body.
  2. Lungs: These remove carbon dioxide and some moisture from the body.
  3. Kidneys: It removes many different waste material and harmful substances. Main of these are urea and salt.
  4. Lower intestinal tract: It gets rid of waste products of digestion.

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