Which one of the following choices best represents an advantage of cardiorespiratory fitness?
a: Decrease in muscle mass
b: Decrease in oxygen intake
c: Decrease in bone mass
D: Decrease in fat stores
Option B is the correct answer. Increased cardiorespiratory fitness
means the body makes more efficient use of oxygen requiring less to
function as well or better than when you are less fit as judged on this
index.