What is the correct definition of the term aerobic exercise?


A.

The ability to handle the physical work and play of everyday life without becoming tired.


B.

Rhythmic, nonstop, moderate-to-vigorous activity that requires large amounts of oxygen and works the heart.


C.

A type of activity that requires little oxygen and short bursts of energy.


D.

The measure of how effectively your heart and lungs work during physical activity or exercise.