A current relationship is one that is active now.
<span>There is evidence that cardiorespiratory exercise can help prevent heart disease due to the fact that it can help lower blood pressure. This exercise does not have to be high-intensity, serious fitness training - just a small amount of exercise each day can help contribute to a healthier body.</span>
He dissected bodies for misconceptions about anatomy.
I think it's one third, but I'm not entirely sure.
Hope I helped to some extent!