The diagram above is an illustration of the human excretory system. Which of the labelled parts contains the highest amount of nitrogenous waste?

Assessment: WAEC SSCE - Biology - 2012 (Objective) Subject: Biology

Question 1 Report

The diagram above is an illustration of the human excretory system. Which of the labelled parts contains the
highest amount of nitrogenous waste?


Answer Details
Label IV, the kidney, contains the highest amount of nitrogenous waste. The kidneys are responsible for filtering and removing waste products such as urea and uric acid from the blood. These nitrogenous wastes are produced as a result of protein metabolism in the body, and the kidneys work to remove them from the blood and excrete them in the urine. Therefore, since the kidneys are responsible for the removal of nitrogenous waste, they contain the highest amount of it among the labelled parts in the diagram.
Read lesson note on Energy Transformation In Nature (WAEC)
Read lesson note on Excretory Systems And Mechanisms; Types Of Excretory Systems (WAEC)
View Answer

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