Examlex
In the twentieth century, the nations of the Third World were more or less synonymous with those of the Fourth World.
Sympathetic Nervous System
A part of the autonomic nervous system that prepares the body for "fight or flight" responses during stressful situations.
Efferent Nerve Fibres
Nerve fibers that carry impulses away from the central nervous system to effectors such as muscles or glands.
Central Nervous System
The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information throughout the body.
Peripheral Nervous System
The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.
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