Nerves are made up of bundles of which structures?

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Multiple Choice

Nerves are made up of bundles of which structures?

Explanation:
Nerves are bundles of axons, the long projections of neurons that carry electrical impulses. In the peripheral nervous system, many axons are wrapped together and organized by connective tissue into fascicles and ultimately into a complete nerve. Schwann cells accompany and myelinate these axons, providing support, but the defining structural units that make up a nerve are the axons themselves. Dendrites are input branches of neurons and are not arranged into nerve bundles, and glial cells support neurons rather than forming the main fiber tracts of nerves.

Nerves are bundles of axons, the long projections of neurons that carry electrical impulses. In the peripheral nervous system, many axons are wrapped together and organized by connective tissue into fascicles and ultimately into a complete nerve. Schwann cells accompany and myelinate these axons, providing support, but the defining structural units that make up a nerve are the axons themselves. Dendrites are input branches of neurons and are not arranged into nerve bundles, and glial cells support neurons rather than forming the main fiber tracts of nerves.

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