Question

Betty Lou wants to train for a half marathon. She needs to increase her ________. Which of the following activities will help Betty Lou the most?

A. flexibility

B. cardiovascular endurance

C. cardiovascular strength

D. muscular endurance

Answer 1

B) Cardiovascular Endurance


Hope this helps, Good luck! (:

Answer 2

Its the muscular endurance, since cardio is the deliverance of oxygen throughout the body