What is the function of the somatic system within the Peripheral Nervous System?

The somatic system within the Peripheral Nervous System (PNS) is primarily responsible for controlling voluntary muscle movements. This system is associated with the skeletal muscles, which are under conscious control—allowing individuals to perform intentional actions such as walking, speaking, and writing. The somatic system encompasses motor neurons that transmit signals from the central nervous system (CNS) to the skeletal muscles, enabling precise coordination and movement based on voluntary actions.

The other functions referenced in the question pertain to different components of the nervous system. For instance, connecting the CNS to internal organs falls under the autonomic nervous system, which operates involuntarily. Similarly, regulating automatic body functions and processing sensory information are also distinct roles handled by different systems within the PNS. The autonomic nervous system manages involuntary actions like heartbeat and digestion, while sensory processing is associated with sensory neurons that convey external stimuli to the CNS. Thus, the description of the somatic system aligns closely with its role in voluntary muscle control, making it the correct choice.