Which system is primarily responsible for voluntary actions?

The somatic nervous system is primarily responsible for voluntary actions because it governs the skeletal muscles that are under conscious control. This system allows individuals to perform movements at will, such as walking, talking, and writing. The somatic nervous system transmits sensory information from the body to the central nervous system and relays motor commands from the brain to the muscles.

In contrast, the autonomic nervous system manages involuntary functions such as heart rate, digestion, and respiratory rate, which operate without conscious thought. The perceptual system focuses on how we interpret sensory information, while the reflex action system describes automatic responses to certain stimuli, which do not require conscious control. Thus, the somatic nervous system is the correct answer regarding voluntary actions.