Question

How are the lungs made healthier during cardiovascular exercise?

*They grow in size.

*The muscles around them are strengthened.

*They make more ATP energy.

*all of the above

Answer 1

The muscles around them are strengthened.

Answer 2

Its been 4 years since i've taken this class but I think its not all the above. The best answer in my eyes would be that the muscles around them become stronger. Hope this helped.