Question

The diagram given below shows a section of a human kidney. Study the diagram carefully and answer the questions that follow.

(iii) What is the fluid that passes down to part D? Name the main nitrogenous waste present in it.

Answer 1

Solution:-

• The fluid that passes down to part D is called urine. Urea is the main nitrogenous waste present in urine.
• Urine is the light yellowish fluid formed in the collecting duct due to tubular reabsorption, secretion, and absorption of water from the glomerular filtrate.
• The main nitrogenous wastes in urine include urea (around $2.3g/L)$ and uric acid (around $0.7g/L$).