15-1 nervous system

15-1 nervous system

Question Answer
stimulus a change or signal in an organism's surroundings that causes the organism to react
response an action or change in behavior that occurs in reaction to a stimulus
neuron a cell that carries information trough the nervous system
nerve impulse a message carried by a neuron
dendrite a threadlike extension of a neuron that carries nerve impulses toward the cell body
axon a threadlike extension of a neuron that carries nerve impulses away the cell body
nerve a bundle nerve fibers
sensory neuron a neuron that picks up a stimulus from the external environment and converts
motor nuron a neuron that sends an impulse to a muscle or gland causing the muscle or lan to react
internuron a neuron that send an impulse from one neuron to another
synapse the junction were one neuron can transfer to an impulse to another structer

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