Answer;
Body composition is best described as the ratio of fat to other tissue in a body.
Explanation;
Body composition is the portion of fat and fat-free mass in the body. Lower percentage of body fat and a higher percentage of fat-free mass (muscles, bones and organs) indicates a healthy body composition. Body composition is important as it is used to asses the health and fitness level. The fat-free mass includes the bone, water, muscle, organs and tissues, these tissues are metabolically active, burning calories for energy while body fat is not.