alleryStart learning →What are the three principal functions carried out by a nephron?
AFiltration, digestion and absorption
BSecretion, conduction and storage
CAbsorption, conduction and filtration
DFiltration, reabsorption and secretion
Answer & Solution
Correct answer: D. Filtration, reabsorption and secretion
1. A nephron takes a simple filtrate of blood and modifies it into urine.
2. It does so by filtration at the glomerulus, reabsorption of what the body needs, and secretion of what it wants to discard.
3. Digestion and storage belong to other organ systems entirely.
4. Conduction of urine is the job of the ducts, calyces and ureters rather than of the nephron itself.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.4 Microscopic Anatomy of the Kidney_
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