Multiple choice

Which of the following is not a purpose of producing urine in the body?

  1. To remove uric acid from blood

  2. To remove carbon dioxide from blood

  3. To remove toxic substances from blood

  4. To remove excess of water from body
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The purpose of making urine is to filter out waste products from the blood. Nitrogenous waste such as urea or uric acid, excess water and toxic substances are removed from blood in the kidneys. CO2 is removed from the blood in the lungs.

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