At least to continuous minutes of intense exercise must be used in order to improve cardiorespiratory endurance. A) 20 to 30

B) 5 to 10

C) 10 to 15

D) 50 to 60

Which statement is most correct about self esteem?

Which action best increases one’s stamina a) exercising when you feel like it b) saving so much that one like sleep c) refusing to exercise to save the energy needed to work d)exercising on a regular basis

If something is painful during exercise, what should you do? a. back off the exercise. b. modify the exercise. c. consult a physician if the pain persists. d. all of the above