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Chapter 15 Section 1
vocab
| Term | Definition |
|---|---|
| Stimulus | A change in an organism's surrounding that causes the organism to react |
| Response | An action or change in behavior that occurs as a result of 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 impulses away from the cell body. |
| Axon | A threadlike extension of a neuron that carries 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 that 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 |