Messages are transmitted from your spinal cord to your heart muscles by the

A) sensory nervous system.
B) somatic nervous system.
C) central nervous system.
D) autonomic nervous system.

Autonomic Nervous System

is a part of the nervous system that controls involuntary bodily functions such as heartbeat, digestion, and breathing.

Sensory Nervous System

The part of the nervous system that processes input from sensory organs, enabling the perception of sight, sound, touch, taste, and smell.

Somatic Nervous System

The division of the peripheral nervous system that controls the body’s skeletal muscles. Also called the skeletal nervous system.