Why is the ENS sometimes called the second brain?
A)It contains a wide range of neuron types.
B)It contains the same chemical transmitters as the brain.
C)It contains complex integrated neural circuits.
D)All of the above.

Question

Quizplus · Accepted Answer

The ENS is called the second brain because it has a wide range of neuron types, uses the same neurotransmitters as the brain, and contains complex neural circuits, allowing it to operate independently of the central nervous system.

Why Is the ENS Sometimes Called the Second Brain