Explain What Is Meant by "Necessary

question 110

Essay

Explain what is meant by "necessary."

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Definitions:

Falling Dominoes

Often used as a metaphor describing a situation where one event sets off a chain of similar events, much like standing dominoes falling in a sequence when the first one is knocked over.

Schwann Cells

A type of glial cell in the peripheral nervous system responsible for the formation of myelin sheaths around neuronal axons, aiding in faster signal transmission.

Oligodendroglia

Glial cells in the CNS that myelinate axons.

Myelin

A fatty substance that surrounds the axon of some nerve cells, forming an insulating layer that is essential for the proper functioning of the nervous system, speeding up the transmission of nerve impulses.