Why Are Arteries Surrounded by Thick Walls of Muscle

question 23

Essay

Why are arteries surrounded by thick walls of muscle?

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Definitions:

Bargaining Unit

A group of employees with a clear and identifiable community of interests who are represented by a single labor union in negotiations and labor relations.

National Labor Relations Act

A foundational statute in United States labor law that guarantees the rights of employees to organize and to bargain collectively with their employers.

Strike

A collective decision by union members not to work until certain demands or conditions are met.

Replacement Workers

Individuals hired by an employer to fill the positions of striking or otherwise unavailable employees.