题目内容
The nervous system has three main functions, _____、_____and _____。
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The Autonomic system consists of the _____and the _____division.
Each of the two hemispheres are divided into four separated lobes: the _____ lobe, the ____ lobe, the ____ lobe and the____ lobe.
The somatic nervous system consists of afferent fibers that receive information from external sources, and efferent fibers that are responsible for muscle contraction.
The neurons of the brain release excitatory neurotransmitters more than inhibitory neurotransmitters.
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