What is the main organ of excretion in humans?
Answer and explanation
Correct answer: Kidney
The governing concept is the human excretory system. Kidneys continuously filter the blood, remove nitrogenous wastes such as urea, regulate water and salts, and form urine. Therefore option A is correct and the kidneys are considered the main excretory organs. The heart pumps blood, the stomach digests food, and a hair is not an excretory organ, although skin can remove small amounts of sweat.
Frequently asked questions
What is the correct answer to this question?
Kidney
Why is this the correct answer?
The governing concept is the human excretory system. Kidneys continuously filter the blood, remove nitrogenous wastes such as urea, regulate water and salts, and form urine. Therefore option A is correct and the kidneys are considered the main excretory organs. The heart pumps blood, the stomach digests food, and a hair is not an excretory organ, although skin can remove small amounts of sweat.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Life Processes. Topic: Excretion.
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