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peripheral nervous system
the nuerons that connect the central nervous system to the rest of the body, including the muscle and glands
the branchlike extension of a neuron that recieve impulses and conduct them toward the cell body
a long tubelike structure attached to a nueron that transmits impulses away from the nueron cell body
a white, fatty substance that insulates axons and enables rapid tranmission of nueral impulses
the junction between the axon terminals of the sending nueron and the dentrites of the recieving neuron
a chemical messenger that carries impulses across the synaptic gaps between nuerons
somatic nervous system
the division of the peripheral nervous system that connects the central nervous system with sensory receptors, muscles, and the skin
autonomatic nervous system
the subdivision of the peripheral nervous system that regulates body functions, such as respiration and digestion
a structure at the base of the brain stem that controls vital functions such as hearbeat and breathing
a brain sructure located at the top of the brain stem tat is involved in respiration, movement, and sleep
the structure of the brain that relays messages from the senses organs to the cerebral cortex
the nueral structure located below the thalamus that controls temperature, hunger, thirst, and various aspects of emotion
a group of nueral structures at the base of the cerebral hemispehers that is associated with emotion and motivation
the bumpy, convoluted surface of the brain; the body's control and information processing center
area of the cerebral cortex that are involved in such mental operations as thinking, memory, learning and problem solving
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