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

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.

Difference between normal and abnormal tissue is much clearer on mri than on ct and mri much suitable to view soft tissues