Approximately how many interneurons are contained in the human central nervous system?
A) 100 million
B) 100 trillion
C) 100 billion
D) 100 quadrillion

Question

Quizplus · Accepted Answer

While there is some variation in estimates, the most commonly cited figure is around 100 billion interneurons in the human central nervous system. Options A and D are both much too low and high, respectively, and option B is an order of magnitude higher than even the most generous estimates.

Approximately How Many Interneurons Are Contained in the Human Central