10gg - Autonomic Nervous System the part of the peripheral...

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Autonomic Nervous System the part of the peripheral nervous system that controls the glands and the muscles of the internal organs (such as the heart) Sympathetic Nervous System division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations Parasympathetic Nervous System division of the autonomic nervous system that calms the body, conserving its energy The Brain Brainstem the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull responsible for automatic survival functions Medulla [muh-DUL-uh] base of the brainstem controls heartbeat and breathing The Brainstem and Thalamus The Brain Reticular Formation a nerve network in the brainstem that plays an important role in controlling arousal The Brain Thalamus the brain’s sensory switchboard directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla Cerebellum [sehr-uh-BELL-um] the “little brain” attached to the rear of the brainstem
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10gg - Autonomic Nervous System the part of the peripheral...

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