Question Answer
Stimulus A change in a 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 through the nervous system.
Nerve Impulse A message carried by a neuron.
Dendrite A thread like extension of a neuron that carries nerve impulses toward the cell body.
Axon A thread like extension of a neuron that carries nerve 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 and converts each stimulus
Motor Neuron A neuron that sends an impulse to a muscle or gland, causing the muscle or gland to react.
Interneuron A neuron that carries nerve impulses from one neuron to another.
Synapse The junction where one neuron can transfer an impulse to the next structure.