Dynamic stretches are part of an effective warm-up because they can help build endurance for the activity. They also help in flexibility and range of motion in the human body.
Answer: Level B provides the same respiratory protection as Level A but less skin or outer body protection. When Level B is used: This level is used when the hazardous materials have been identified but do not require a high level of skin protection.
Explanation:
Answer:
D. Organs and muscles require more blood under stress.
Explanation:
Because muscular contractions can have a protracted metabolic expenditure because it has to be adjusted to the demands of the contracting muscles.
I would say c but I would have to read your text book to be able to answer it accurately