What physical fitness component is the ability of the heart, lungs, and vascular system to deliver oxygen rich blood to working muscles during continuous physical activity?
a. muscular endurance
b. cardiovascular endurance
c. body composition
d. flexibility

Behavioral science is the study of human behaviors and how they can be influenced.  by examining patterns in behavior as well as reactions, individuals with behavioral problems can be more adequately treated, resulting in greater mental health of our society/the public.