What is the functional structural unit of the human kidney responsible for urine formation?
Answer and explanation
Correct answer: D. Nephron
- Step 1: Each human kidney contains approximately 1 to 1.2 million microscopic filtering units. Step 2. The nephron consists of a renal corpuscle (glomerulus and Bowman's capsule) and a renal tubule, functioning as the functional unit. Answer: Nephron. Why not the others: Neuron is the structural unit of the nervous system; glomerulus is only the capillary tuft; collecting duct is shared by multiple nephrons.
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