Multiple choice

Which of the following processes is used to remove nitrogenous toxic wastes from the body of an organism?

  1. Respiration

  2. Circulation

  3. Excretion

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Excretion is the biological process responsible for removing nitrogenous waste products like urea, uric acid, and ammonia from organisms. Respiration deals with gas exchange, while circulation is about transporting substances throughout the body.