WBCS.LIVE practice question

What is the basic structural and functional filtering unit of the human kidney?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Neuron
  2. Alveolus
  3. Nephron
  4. Villi

Correct answer and explanation

Correct answer: Nephron

Explanation: āœ… Correct Answer: C) Nephron šŸ“š Explanation: Each human kidney contains approximately one million microscopic filtering structures known as nephrons. They are the absolute fundamental functional units of the excretory system. Blood continuously passes through the nephrons, where vital nutrients and water are aggressively reabsorbed, while toxic metabolic waste products like urea are filtered out to produce urine.