What is cardiorespiratory endurance? The amount of force a muscle can exert The ability of the muscles to perform physical tasks over a period of time without becoming fatigued. A purposeful physical activity that is planned, structured, and repetitive and that improves and maintains personal fitness. The ability to move a body part though a full range of motion. The ability of the heart, lungs and blood vessels to utilize and send fuel and oxygen to the body's tissues during long periods of moderate to vigorous activity What is flexibility? * The amount of force a muscle can exert The ability of the muscles to perform physical tasks over a period of time without becoming fatigued. A purposeful physical activity that is planned, structured, and repetitive and that improves and maintains personal fitness. The ability to move a body part though a full range of motion. The ability of the heart, lungs and blood vessels to utilize and send fuel and oxygen to the body's tissues during long periods of moderate to vigorous activity