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Nerves that transmit signals from the brain are called motor or efferent nerves, while those nerves that transmit information from the body to the CNS are called sensory or afferent.Most nerves serve both functions and are called mixed nerves.Zákaznická podpora: [email protected] služby př- pro neomezené sledování videí na dobu 14 dnů za cenu 99 Kč. The nervous system is the part of an animal's body that coordinates its actions and transmits signals to and from different parts of its body.
White matter includes all of the nerves, and much of the interior of the brain and spinal cord.
The enteric nervous system functions to control the gastrointestinal system.
Both autonomic and enteric nervous systems function involuntarily.
The PNS is divided into a) somatic and b) autonomic nervous system, and c) the enteric nervous system. The autonomic nervous system is further subdivided into the sympathetic and the parasympathetic nervous systems.
The sympathetic nervous system is activated in cases of emergencies to mobilize energy, while the parasympathetic nervous system is activated when organisms are in a relaxed state.