| A | B |
|---|
| stimulus | any change or signal in the enviroment that can make an organisum react in some way |
| response | what the body does in reaction to 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 nerve impulse toward the cell body |
| axon | a threadlike 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 the stimuli from the internal or external enviroment and 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 |
