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Science Vocabulary

TermDefinition
Response A reaction to something
Homeostasis Regulation of an organism´s internal, life-maintaining
Neuron Basic functioning unit of the nervous system, made up of a cell body, dendrites, and axons
Dendrite Neuron structure that receives messages and sends them to the cell body
Axon Neuron structure that carries messages away from the cell body
Synapse Small space across which an impulse moves from an axon to the dendrites or cell body of another neuron
Central Nervous System Division of the nervous system, made up of the brain and spinal cord
Peripheral Nervous System Division of the nervous system, made up of all the nerves outside the Central Nervous System (CNS); connects the brain and spinal cord to other body parts
Cerebrum Largest part of the brain, where memory is stored, movements are controlled, and impulses from the senses are interpreted
Cerebellum Part of the brain that controls voluntary muscle movements, maintains muscle tone, and helps maintain balance
Brain Stem Connects the brain to the spinal cord and is made up of the midbrain, the pons, and the medulla
Reflex Automatic, involuntary response to a stimulus; controlled by the spinal cord
Created by: blair.alayna