About Urinary System

Learn why the nephron is the kidney’s functional unit responsible for filtration and urine formation. Understand how it differs from structures like alveoli and neurons.

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Urinary System HESI A2 Practice Questions

Free Urinary System practice questions for the HESI A2 exam with detailed rationales.

Question 2 of 2

What is the functional unit of the kidney?
Nephron
Alveolus
Neuron
Sacromere

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