Single correct option
The structural and functional unit of the human kidney is the
- A. nephron
- B. neuron
- C. alveolus
- D. villus
Show answer and solution
Answer: (A) nephron
Each kidney has about a million nephrons, which filter the blood, reabsorb the useful substances and give urine. A neuron is the unit of the nervous system, the alveolus is the air sac of the lung, and the villus is the absorptive projection of the small intestine.
Saved on this device. Sign in or create a free account to keep it on every device.