click below
click below
Normal Size Small Size show me how
Unit 9-regulationA
List A Vocabulary
| Question | Answer |
|---|---|
| Stimulus | any outside source that causes a response |
| Neuron | cell of the nervous system |
| Synapse | the space between neurons where chemical messages cross |
| Receptor | part that picks up and transfers a stimulus |
| Impulse | electrical message carried by a neuron |
| Axon | long part of a neuron that conducts a stimulus |
| Neurotransmitter | chemical that crosses a synapse |
| Effector | muscle or gland that responds to a stimulus |
| Dendrite | end of neuron which first picks up a stimulus |
| sensory neuron | picks up stimulus and sends it to the brain or spinal cord |
| motor neuron | sends impulse from CNS to muscle or gland |
| interneuron | found in brain or spinal cord, processes impulse |