Examlex
Rotation curves for spiral galaxies show
Sympathetic Nervous System
Part of the autonomic nervous system that prepares the body for physical activity by increasing heart rate, constricting blood vessels, and raising blood pressure.
Parasympathetic Nervous System
The division of the autonomic nervous system that calms the body, conserving its energy.
Central Nervous System
The central nervous system consists of the brain and spinal cord, serving as the primary processing center for the entire nervous system, and controls most functions of the body and mind.
The Brain
The central organ of the nervous system, responsible for processing sensory information, regulating bodily functions, and enabling cognition and emotions.
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