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The speed at which a neural impulse travels is increased when the axon is encased by a(n)
A) endorphin.
B) myelin sheath.
C) glial cell.
D) synaptic vesicle.
Myelin Sheath
A protective coating around nerve fibers in the central and peripheral nervous systems, facilitating electrical impulses' transmission.
Neural Impulse
An electrical signal that travels along a neuron, enabling communication between neurons or between neurons and muscles.
Axon
A long, slender projection of a nerve cell that typically conducts electrical impulses away from the neuron's cell body.
- Identify the electrical properties of neurons, including resting potential, action potential, and the processes of depolarization and repolarization.
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Learning Objectives
- Identify the electrical properties of neurons, including resting potential, action potential, and the processes of depolarization and repolarization.
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