CR endurance is determined by a. the amount of oxygen the body is able to utilize per minute of physical activity. b. the length of time it takes the heart rate to return to 120 bpm following the 1.5-Mile Run Test. c. the dierence between the maximal heart rate and the resting heart rate. d. the product of the heart rate and blood pressure at rest versus exercise. e. the time it takes a person to reach a heart rate between 120 bpm and 170 bpm during the Astrand-Ryhming test. 2. Which of the following is not a benefit of aerobic training