The question asks for the term that describes the ratio between the amounts of muscle and fat in the body. A. Body composition refers to the proportions of fat and fat-free mass (muscle, bone, water, organs) in the body. The ratio of muscle to fat is a direct measure of body composition. B. Flexibility is the range of motion at a joint. C. Muscular Endurance is the ability of a muscle to perform repeated contractions over a period of time. D. Muscular Strength is the maximum force a muscle can exert in a single effort. Therefore, the correct term is body composition. The correct option is A. A) Body composition