6. It's believed that cardiorespiratory exercise can help prevent heart disease because A. it helps to thin the blood. B. once t
he body gets stronger, it no longer absorbs saturated fat. C. once a person starts exercising, he or she can eat anything. D. many studies have linked cardiorespiratory exercise to the lowering of blood pressure.
My best guess would be D. many studies have linked cardiorespiratory exercise to the lowering of blood pressure. (Many studies have also linked going vegan to the lowering of blood pressure, too :)
