Ahealthcare professional who cares for the athletes on a football team would most often use his knowledge of which body system? circulatory system cranial system abdominal system musculoskeletal system

The answer should be D. Musculoskeletal system

The musculoskeletal system is about muscles, stability and movement

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by looking at someone you know and chat with them or look on something like a painting or anything then the person or bring a book with you and act like you reading something or think about something that you like so you can spaceout and not put attention to what is happening around you .