Physical fitness is the ability of your body to work efficiently in daily activities. It means you have enough strength, endurance, flexibility, and energy to do tasks without getting tired easily.There are 5 main components of physical fitness:Cardiovascular endurance – ability of your heart and lungs to work during exercise (e.g., jogging).Muscular strength – ability of your muscles to lift or push heavy things (e.g., lifting weights).Muscular endurance – how long your muscles can perform a task (e.g., doing many sit-ups).Flexibility – how much your joints can move (e.g., stretching).Body composition – ratio of fat to muscle in your body.