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In our Sun, hydrostatic equilibrium exists only in the core, where energy production via fusion can balance gravity.
Cerebellum
A part of the hindbrain involved in muscle coordination and balance.
Pons
A part of the brain located in the brainstem, critical for relaying messages between the brain and the spinal cord and regulating sleep.
Reticular Formation
A network of nerves in the brainstem that plays a key role in controlling arousal and alertness.
Afferent Neurons
Neurons that transmit messages from sensory receptors to the spinal cord and brain; also called sensory neurons.
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