Musculoskeletal System. When the body is stressed, muscles tense up. Muscle tension is almost a reflex reaction to stress — the body's way of guarding against injury and pain. With sudden onset stress, the muscles tense up all at once, and then release their tension when the stress passes.
A strong work ethic is vital to a company achieving its goals. Every employee, from the CEO to entry-level workers, must have a good work ethic to keep the company functioning at its peak. A work ethic is a set of moral principals an employee uses in his job. Certain factors come together to create a strong work ethic.
C because it’s true and it really is the only one that makes sense... lest face it