Examlex
The principal landform resulting from a stream's erosive power is its ______________-shaped valley.
Cell Body
The part of the neuron that keeps it alive and determines whether or not it will fire.
Neurons
Cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells.
Muscle Action
The contraction or relaxation of muscles which results in movement of body parts.
Acetylcholine
A neurotransmitter in the nervous system that plays a key role in muscle activation and also influences many functions in the brain.
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