Which component of fitness deals with the amount of fat in the body?

The component of fitness that deals with the amount of fat in the body is body composition. Body composition refers to the ratio of fat to lean mass in the body, including muscles, bones, and organs. Understanding body composition is essential for evaluating an individual's health, as it provides insight into their overall weight, body fat percentage, and the distribution of fat and muscle within the body.

Monitoring body composition can help in achieving fitness goals, as it offers a more accurate representation of physical health than weight alone. While the other fitness components like muscular strength, flexibility, and muscular endurance focus on specific physical attributes—strength in lifting, range of motion in joints, and prolonged physical activity, respectively—they do not directly address the ratio of fat to lean tissue or overall body fat percentage. Therefore, body composition is the critical component when discussing the amount of fat in the body.