![]() In invertebrates, the response could be excitatory or inhibitory. In vertebrates, the response of skeletal muscle cells to neurotransmitters is always excitatory. The association nerves are nerves that integrate sensory input and motor output. The autonomic nervous system is responsible for maintenance functions (metabolism, cardiovascular activity, temperature regulation, digestion) that have a. The cranial nerves are nerve fibers carrying sensory information into and from the brain stem. The spinal nerves are nerves carrying impulses from the spinal cord. ![]() In humans, the somatic nervous system is comprised of three parts: (1) spinal nerves, (2) cranial nerves, and (3) association nerves. It is under voluntary or concious control. This lesson covers the main components that regulate such. The somatic nervous system has two main types of nerves: afferent nerves and efferent nerves. The somatic nervous system is a functional division of the peripheral nervous system. The somatic nervous system (SNS) is the portion of the peripheral nervous system that regulates voluntary movement via skeletal muscles. The autonomic nervous system is associated with involuntary muscle movements whereas the somatic nervous system is associated with voluntary muscle movements. These are the autonomic nervous system and the somatic nervous system. There are two main parts of the peripheral nervous system. Its main function is to relay information between the central nervous system and the extremities and organs. The somatic afferents conduct impulses received from outside the body or produced by movements of the muscles and joints, those from. The peripheral nervous system is part of the nervous system. The part of the peripheral nervous system that consists of afferent nerves responsible in relaying motor and sensory information to and from the central nervous system and efferent nerves responsible in stimulating voluntary muscle movements The somatic nervous system (SoNS Or voluntary nervous system) is the part of the peripheral nervous system associated with the voluntary control of body.
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