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BIOLOGY - CHAPTER 31 - THE CENTRAL NERVOUS SYSTEM

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Subject: 
Biology
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Tags: 
anatomy
nervous system
Biology
Neuroanatomy
Motor system
Cerebrum
brain
Human brain
Dopamine
Neuron
Cerebellum
Occipital lobe
health

BIOLOGY 31.2 THE CENTRAL NERVOUS SYSTEM ? pp. 901-905 The Central Nervous System?Key Ideas Each of the major areas of the brain?the cerebrum, the cerebellum, the brain stem?are responsible for processing and relaying information. The spinal cord is the main communication link between the brain and the rest of the body. The brain reacts to excessive dopamine levels by reducing the number of receptors for the neurotransmitter. As a result, normal activities no longer produce the sensations of pleasure they once did. VOCABULARY: Reflex: quick, automatic response to a stimulus. Cerebrum: part of the brain responsible for voluntary activities of the body; ?thinking? region of the brain.

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