Which of the following is correct regarding neurons?
A) All neurons are sensory neurons.
B) Motor neurons gather sensory information from the environment.
C) The number of neurons in the human nervous system is estimated at more than 100 billion.
D) The term "motor" refers to a mechanical engine.
E) Interneurons are found outside the brain and spinal cord.

Question

Quizplus · Accepted Answer

The number of neurons in the human nervous system is estimated at more than 100 billion, which is a widely accepted estimate.

Answer: E
 Interneurons are found within the brain and spinal cord, not outside of them.

Which of the Following Is Correct Regarding Neurons