![]() The autonomic nervous system (ANS) is the part of the peripheral nervous system that is responsible for the body’s involuntary movements, including digestion, heart rate, sexual arousal, and pupillary response. Two divisions of the autonomic nervous system ![]() Popularly known as the voluntary nervous system, the SoNS is comprised of sensory nerves and motor nerves that are responsible for the voluntary movement of the body. ![]() The somatic nervous system (SoNS) is a division of the peripheral nervous system (PNS). Somatic Nervous System Autonomic Nervous System Regulates the voluntary movement of the body Regulates the involuntary movement of the body Regulates movements of the body via the skeletal muscles, along with sensory stimuli related to vision, smell, taste, pain, noise, touch, and temperature Regulates bodily functions such as respiratory rate, heart rate, urination, digestion, sexual arousal, pupillary response, and digestion Made up of the afferent nerves (sensory nerves) and efferent nerves (motor nerves) that stimulate skeletal muscle movement Made up of a complex network of motor neurons, which control glands, cardiac muscles, and smooth muscles Divisions include the spinal nerves and the cranial nerves Divisions include the sympathetic and the parasympathetic nervous system One neuron acts as a link between the central nervous system and the effector cells Two neurons act as a link between the central nervous system and the effector cells Releases acetylcholine to the effector cells Releases acetylcholine and norepinephrine to the effector cells Definitions
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