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Regarding Defense Mechanisms, Which of the Following Statements Is TRUE

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Regarding defense mechanisms, which of the following statements is TRUE?


Definitions:

Axon

An axon is a long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.

Myelin Sheath

A fatty layer that surrounds the axons of some nerve cells, serving to speed up the electrical communication between neurons.

Node of Ranvier

Gaps in the myelin sheath of nerve fibers where the axon is exposed, enabling rapid transmission of nerve impulses.

Neural Impulses

Electrical signals that travel along neurons, conveying information throughout the nervous system.

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