The portion of the peripheral nervous system that regulates the internal environment is the:

A) telencephalic nervous system.
B) autonomic nervous system.
C) thalamic nervous system.
D) somatic nervous system.
E) hypothalamic nervous system.

Autonomic Nervous

The part of the nervous system that innervates cardiac muscle, smooth muscle, and gland cells, controlling functions unconsciously and regulates bodily functions like heart rate and digestion.

Peripheral Nervous

Part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Internal Environment

The conditions and processes occurring within an organism, keeping it stable despite external changes, also known as homeostasis.