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11 Cards in this Set
- Front
- Back
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Stimulus
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any change or signal in the environment that can make an organism react in some way.
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Response
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What the body does in reaction to a stimulus
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neuron
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A cell that carries messages through the nervous system
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Nerve Impulse
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The message carried by a neuron
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Dentrite
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A threadlike extension of a neuron that carries nerve impulses toward the cell body
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Axon
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A threadlike extension of a neuron that carries nerve impulses away from the cell body
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Nerve
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A bundle of nerve fibers
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Sensory Neuron
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A neuron that picks up stimuli from the internal or external environment and converts each stimulus into a nerve impulse
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Interneuron
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A neuron that carries nerve impulses from one neuron to another
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Motor Neuron
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A neuron that sends an impulse to a muscle, causing the muscle to contract
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Synapse
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The tiny space between the tip of an axon and the next structure
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