The relationship between lean muscle tissue and fat mass is which component of tness? A. Body Composition
B. Muscular Endurance
C. Muscular Strength
D. Flexibility

A. Body Composition

Explanation:
The last component of physical fitness, body composition, refers to the ratio of fat mass to fat-free mass (such as muscle, bone, organs, and more) in your body. Overall health generally improves when you have a lower amount of fat mass (or lower percent body fat) and higher amount of lean muscle mass.