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Thomas Jefferson was elected the third president of the United States.
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.
Myelin Sheath
A fatty layer that encases the axons of many neurons, crucial for increasing the speed at which electrical impulses propagate along the nerve cells.
Multiple Sclerosis
A chronic autoimmune disease where the immune system attacks the protective covering of nerves, affecting the brain and spinal cord.
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