Which of the following is correct regarding neurons?
A) Interneurons are located outside the brain and spinal cord.
B) Motor neurons gather information from the environment.
C) The number of neurons in the human nervous system is estimated at more than 100 billion.
D) Neurons are found only inside the brain and spinal cord.
E) The number of neurons in the human nervous system is estimated at less than 10 billion.

Question

Quizplus · Accepted Answer

The number of neurons in the human nervous system is estimated at more than 100 billion. Option A is incorrect because interneurons are actually located inside the brain and spinal cord. Option B is incorrect because motor neurons are responsible for sending signals to muscles and glands, not gathering information from the environment. Option D is incorrect because neurons are found throughout the body, including sensory neurons that detect stimuli from the environment. Option E is incorrect because the estimated number of neurons in the human nervous system is much higher than 10 billion.

Which of the Following Is Correct Regarding Neurons