Body composition is best described as
a. the amount of lean muscle in a body
b. the total amount of muscle in a body
c. the total mass of fat in the abdomen
d. the ratio of fat to other tissue in a body

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. 

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