Examlex
________ is a source of particulates for the atmosphere.
Myelin
A fatty material that encases the axons of some neurons, serving as an insulating layer that enhances the speed and efficiency of electrical signal transmission in the nervous system.
Neuron
A specialized cell transmitting nerve impulses; a nerve cell.
Insulation
Insulation refers to materials used to reduce the rate of heat transfer, or the method of installing such materials to help maintain a desired temperature in buildings or protective clothing.
Proximate Explanation
An explanation that focuses on the immediate cause or mechanism of a biological trait or behavior.
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