The ________ is sometimes referred to as a "second brain," because it has as many neurons in it as the spinal cord.
A)hypothalamus
B)amygdala
C)endocrine system
D)enteric nervous system

Question

Quizplus · Accepted Answer

The enteric nervous system is sometimes referred to as the "second brain" because it has as many neurons as the spinal cord and is responsible for controlling the gastrointestinal system. The hypothalamus and amygdala are both parts of the brain, and the endocrine system is a network of glands and hormones that regulate bodily functions.

The ________ Is Sometimes Referred to as a "Second Brain