Heart and lung endurance or cardiovascular endurance is the ability to exercise the entire body for long periods of time. It requires a strong heart, healthy lungs, and clear blood vessels to supply the body with oxygen.
Muscular Strength is the amount of force you can put forth with your muscles. It is often measured by how much weight you can lift. People with strength have fewer problems with backaches and can carry out their daily tasks efficiently
Muscular Endurance is the ability to use the muscles, which are attached to the bones, many times without getting tired.
Flexibility is the ability to use your joints fully. You are flexible when the muscles are long enough and the joints are free enough to allow movement.
Body Composition is the percentage of body weight that is fat compared to other body tissue, such as bone and muscle. People who have a high percentage of fat are more likely to be ill and have a higher death rate than lean people.