Examlex
The curved arrows in the resonance structure for the acetate ion shown below indicate the following alternative resonance structure for the acetate ion.
Sympathetic Nervous System
A part of the autonomic nervous system that prepares the body for physical activity by increasing heart rate, constricting blood vessels, and raising blood pressure.
Accelerator
A device, typically a pedal, that controls the speed of a vehicle's engine.
Brain Structure
The physical organization and arrangement of different parts of the brain, including its various regions and neural connections.
Little Brain
A colloquial term for the cerebellum, a part of the brain that plays a key role in motor control.
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