alleryThe functional unit of the kidney is the:
ANephron
BNeuron
CAlveolus
DStomata
Answer & Solution
Correct answer: A. Nephron
1. Nephron is the basic filtration unit of the kidney.
2. ~1 million nephrons per kidney.
3. Each nephron has Bowman's capsule, glomerulus, PCT, loop of Henle, DCT and collecting duct.
4. Neurons are nervous cells; alveoli are lung sacs; stomata are leaf pores.
_Source: syllabus Science Ch 5 §5.5 Excretion in Humans_
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