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Chapter 15 Section 1


Stimulus A change in an organism's surrounding that causes the organism to react
Response An action or change in behavior that occurs as a result of a stimulus
Neuron A cell that carries information through the nervous system.
Nerve Impulse The message carried by a neuron
Dendrite A threadlike extension of a neuron that carries impulses away from the cell body.
Axon A threadlike extension of a neuron that carries impulses away from the cell body.
Nerve A bundle of nerve fibers
Sensory Neuron A neuron that picks up stimuli from the internal or external environment that converts each stimulus into a nerve impulse
interneuron A neuron that carries nerve impulses from one neuron to another
Motor Neuron A neuron that sends an impulse to a muscle or gland causing the muscle or gland to react
Synapse The junction where one neuron can transfer an impulse to the next structure
Created by: BrandonTran