Multiple choice

_____ is the functional unit of the kidney.

  1. Neuron

  2. Nephron

  3. Glomerulus

  4. Cochlea
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The nephron is the functional unit of the kidney, responsible for filtering blood and producing urine. Neurons transmit nerve signals, glomerulus is part of the nephron, and cochlea is in the ear.

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