Question

What is cardio respiratory endurance?
(Points : 2)
the ability of the body's circulatory and respiratory systems to supply fuel and oxygen during sustained physical activity
the ability to maintain a sufficient level of oxygen over an extended period of physical activity
the ability to maintain stable levels of oxygen and blood flow during an extended period of physical activity
the ability of the heart and the lungs to function at an acceptable level during an extended period of vigorous physical activity

Answer 1

Cardiorespiratory endurance is the ability of the heart and lungs to absorb, transport, and utilize oxygen over an extended period of physical exertion.

Answer 2

So it's D. :)