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Nervous System
| Term | Definition |
|---|---|
| Nervous system | the network of nerve cells and fibers that transmits nerve impulses between parts of the body; consists of brain, spinal cord, and nerves |
| neuron | a nerve cell; the basic building block of the nervous system |
| dendrite | a branch off the cell body of a neuron that receives new information from other neurons |
| axon | A threadlike extension of a neuron that carries nerve impulses away from the cell body. |
| central nervous system | brain and spinal cord |
| peripheral nervous system | the sensory and motor neurons that connect the central nervous system to the rest of the body |
| somatic nervous system | the division of the peripheral nervous system that controls the body's skeletal muscles |
| autonomic nervous system | nerves that control involuntary body functions of muscles, glands, and internal organs |
| reflex | involuntary response to a stimulus |
Created by:
kmaddix
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