alleryStart learning →Roughly how many nephrons do the afferent arterioles serve in each kidney?
AAbout 13,000
BAbout 1.3 million
CAbout 130 million
DAbout 13 billion
Answer & Solution
Correct answer: B. About 1.3 million
1. Each kidney holds a vast number of nephrons.
2. The afferent arterioles service about 1.3 million nephrons in each kidney.
3. The other figures are off by factors of a hundred or more.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section Nephrons and Vessels_
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