Nervous System Word Scramble
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Term | Definition |
neuron | a nerve cell |
brain | specialized group of nerve cells that controls and coordinates activities of the nervous system |
CNS | portion of nervous system that consists of brain and spinal cord |
PNS | subdivision of nervous system that contains nerves that bring information to CNS |
autonomic nerves | control heart rate, breathing, salivary production, etc |
nerve impulse | message that travels from dendrites of a neuron through the axon |
axon | nerve fiber that conducts message away from cell body |
schwann cell | cells that from myelin |
node of ranvier | gap in myelin that increases speed of impulse |
synapse | space between 2 neurons through which neurotransmitter traves |
afferent nerve | receives information from the environment |
efferent nerve | transmits to muscles or glands that will respond to impulses |
stimulus | something that causes a response |
cell body | contains cytoplasm and nucleus |
myelin | fat layer that surrounds and insulates axons |
Created by:
FMHS Health Science 3
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