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.
Answer:
8mins the first 8english chapter on and whether
A good indicator of efficient exercise is a good resting
heart rate. This enables athletes and
health buffs to meet the needs of their body with a slow heart rate. It does not take them much effort in terms of
physical activity whereas those who are out of shape would exert a lot of
effort to complete a task.
Answer:
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Explanation:
