The risk of _______ injury increases with the total amount of physical activity.
A. cardiovascular
B. musculoskeletal
C. cognitive
D. respiratory

Question

The risk of _______ injury increases with the total amount of physical activity.
  A. cardiovascular 	
  B. musculoskeletal 	
  C. cognitive 	
  D. respiratory

anonymous · Answer

Well we know cardiovascular deals with the heart. So what do you think?

happy_to_help · Answer

Try to elimate the ones you know are wrong

anonymous · Answer

The cardiovascular system lets the blood transfer all around the body, it help fight diseases.

Musculoskeletal system lets the bones, muscles and ligaments work together.

Cognitive meaning to think or remember something from the past.

Respiratory helps to breathe, bringing oxygen to the body.

anonymous · Answer

These are the meanings of all four, hope that helps.