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What are the main excretory organs in humans?

Answer and explanation

Correct answer: Kidneys

The governing concept is the human excretory system and maintenance of internal balance. The kidneys receive blood, filter it through millions of nephrons, selectively reabsorb useful substances and remove excess water, salts and nitrogenous wastes in urine. Thus option A is the best answer because kidneys are the principal excretory organs. Lungs also remove carbon dioxide and water vapour, and skin can release sweat, but eyes and ears are not the main organs of excretion.

Related tags

KidneysExcretionUrinary SystemLife ProcessesWorld Of LivingScienceClass 10 Mcq

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