What is the structural and functional microscopic filtration unit of the human kidney?
Answer and explanation
Correct answer: A. nephron
- Step 1: Each human kidney contains approximately one million nephrons. Step 2. A nephron consists of a renal corpuscle (Bowman's capsule and glomerulus) and renal tubule, responsible for filtration, reabsorption, and secretion. Answer: nephron. Why not the others: Neuron is a nerve cell; alveolus is a respiratory lung air sac; hepatic lobule is in the liver.
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