Answer:
Much like the insulation around the wires in electrical systems, glial cells form a membraneous sheath surrounding axons called myelin, thereby insulating the axon. This myelination, as it is called, can greatly increase the speed of signals transmitted between neurons (known as action potentials).
Explanation:
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https://www.nature.com/scitable/topicpage/myelin-a-specialized-membrane-for-cell-communication-14367205/
The EPA is an independent agency formed for environmental protection. Hence the statement The Clean Air Act would be a reason for the Environmental Protection Agency (EPA) to regulate car emissions is true.
Car emissions are very harmful for all the living organisms in an environment.
Answer:
how much should examples should I give
According to some research it is estimated that about 20% of americans of the age of 12 are infected with the human papilloma virus.
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